FPUS55 KTFX 152034 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 233 PM MDT Thu May 15 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Friday, Friday night, and Saturday. MTZ301-161000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening. Patchy dense fog after midnight. Lows 30 to 35. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 40 to 50. Southwest winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then slight chance of rain showers and snow showers after midnight. Lows 30 to 35. Southwest winds 5 to 15 mph. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Slight chance of snow showers in the morning, then slight chance of rain showers in the afternoon. Highs 45 to 55. Southwest winds 5 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly cloudy. Slight chance of rain showers in the evening, then chance of rain showers and snow showers after midnight. Lows 35 to 40. Southwest winds up to 10 mph shifting to the northeast after midnight. Chance of precipitation 50 percent. .SUNDAY...Rain showers and snow showers. Heavy snow accumulations. Highs 35 to 45. Chance of precipitation 90 percent. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Breezy. Mostly cloudy with a 50 percent chance of rain showers and snow showers. Lows 35 to 40. Highs 40 to 50. .TUESDAY...Breezy. Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 45 to 55. .TUESDAY NIGHT...Breezy. Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .WEDNESDAY...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Highs 45 to 55. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 35 to 40. .THURSDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 50 to 60. $$ MTZ307-161000- Southern Rocky Mountain Front- Including Rogers Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening. Lows 30 to 35. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Patchy dense fog in the morning. A 50 percent chance of rain showers and snow showers in the afternoon. Highs 45 to 55. West winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then slight chance of rain showers and snow showers after midnight. Lows 30 to 35. West winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a 40 percent chance of rain showers in the afternoon. Highs 50 to 60. Southwest winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers in the evening, then rain showers and snow showers likely after midnight. Lows 35 to 40. East winds up to 10 mph shifting to the northeast after midnight. Chance of precipitation 70 percent. .SUNDAY...Cooler. Rain showers and snow showers. Heavy snow accumulations. Highs 35 to 45. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Rain showers likely and chance of snow showers. Light snow accumulations. Lows around 35. Chance of precipitation 70 percent. .MONDAY AND MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 40 to 50. Lows 30 to 40. .TUESDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 45 to 55. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of snow showers. Highs 50 to 60. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 35 to 40. .THURSDAY...Mostly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 50 percent. $$ MTZ302-161000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Patchy fog after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph shifting to the west up to 5 mph after midnight. .FRIDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs 55 to 60. West winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 35 to 40. West winds 5 to 15 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 60. Southwest winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Lows around 40. South winds 5 to 10 mph shifting to the east after midnight. Chance of showers 50 percent. .SUNDAY...Cooler. Rain showers. Highs 45 to 50. Chance of showers 90 percent. .SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .MONDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 55. .MONDAY NIGHT AND TUESDAY...Breezy. Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. Highs 55 to 60. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Breezy. Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. Highs around 60. .THURSDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. $$ MTZ308-161000- Southern High Plains- Including Bynum, Choteau, and Pendroy 233 PM MDT Thu May 15 2025 .TONIGHT...Colder. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 35 to 40. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs 55 to 60. Southwest winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 35 to 40. West winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 60 to 65. Southwest winds up to 10 mph shifting to the south in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers in the evening, then rain showers likely after midnight. Lows 40 to 45. East winds 5 to 10 mph shifting to the north after midnight. Chance of showers 70 percent. .SUNDAY...Rain showers. Highs 50 to 55. Chance of showers near 100 percent. .SUNDAY NIGHT...Rain showers likely. Lows around 40. Chance of showers 70 percent. .MONDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .TUESDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. .TUESDAY NIGHT...Mostly clear. Lows around 40. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. Lows around 40. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. $$ MTZ303-161000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 233 PM MDT Thu May 15 2025 .TONIGHT...Partly cloudy. Patchy fog after midnight. Lows in the mid 30s. Northwest winds 10 to 15 mph with gusts to around 30 mph decreasing to up to 10 mph after midnight. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs around 60. West winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 35 to 40. West winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers in the afternoon. Highs 60 to 65. Southwest winds up to 10 mph. Chance of showers 30 percent. .SATURDAY NIGHT...Mostly cloudy. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Lows 40 to 45. Southeast winds 5 to 10 mph. Chance of showers 50 percent. .SUNDAY...Cooler. Rain showers. Highs around 50. Chance of showers 90 percent. .SUNDAY NIGHT...Rain showers likely. Lows around 40. Chance of showers 70 percent. .MONDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .TUESDAY...Breezy. Partly cloudy with a 20 percent chance of rain showers. Highs around 60. .TUESDAY NIGHT...Partly cloudy. Lows 35 to 40. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. Highs around 65. && TEMPERATURE / PRECIPITATION Cut Bank 33 59 37 63 / 10 50 40 20 $$ MTZ304-161000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 233 PM MDT Thu May 15 2025 .TONIGHT...Colder. Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 30s. Northwest winds 10 to 20 mph decreasing to 5 to 10 mph after midnight. .FRIDAY...Partly cloudy. A 50 percent chance of rain showers in the afternoon. Highs around 60. Northwest winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely in the evening, then chance of rain showers after midnight. Lows around 40. Southwest winds up to 10 mph. Chance of showers 60 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. Southwest winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Lows 40 to 45. East winds 5 to 15 mph. Chance of showers 50 percent. .SUNDAY...Rain showers. Highs 50 to 55. Chance of showers 90 percent. .SUNDAY NIGHT...Rain showers likely. Lows around 40. Chance of showers 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .TUESDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 60 to 65. .TUESDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows around 40. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs around 65. Lows 40 to 45. .THURSDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs 65 to 70. $$ MTZ305-161000- Hill County- Including Havre 233 PM MDT Thu May 15 2025 .TONIGHT...Breezy. Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 40. Northwest winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. .FRIDAY...Mostly cloudy in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 60 to 65. Northwest winds 5 to 10 mph. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. East winds up to 10 mph shifting to the southeast after midnight. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 65. South winds 5 to 15 mph. Chance of precipitation 60 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. East winds 5 to 15 mph. .SUNDAY AND SUNDAY NIGHT...Breezy, cooler. Rain showers likely. Highs around 55. Lows around 40. Chance of showers 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .TUESDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .WEDNESDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .THURSDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs around 70. && TEMPERATURE / PRECIPITATION Havre 40 64 41 69 / 30 30 50 60 $$ MTZ306-161000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 233 PM MDT Thu May 15 2025 .TONIGHT...Breezy. Mostly cloudy. A 50 percent chance of rain showers in the evening. Lows around 40. Northwest winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. .FRIDAY...Mostly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. Northeast winds up to 10 mph shifting to the southeast after midnight. .SATURDAY...Rain showers likely in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Southeast winds 5 to 15 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows around 40. Southeast winds 10 to 20 mph. .SUNDAY...Breezy. Rain showers likely. Highs around 55. Chance of showers 70 percent. .SUNDAY NIGHT...Rain showers. Lows around 40. Chance of showers 80 percent. .MONDAY...Rain showers likely. Highs around 55. Chance of showers 70 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. Highs 60 to 65. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows around 40. .WEDNESDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 65 to 70. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .THURSDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs 65 to 70. $$ MTZ309-161000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 233 PM MDT Thu May 15 2025 .TONIGHT...Colder. Partly cloudy. A 20 percent chance of thunderstorms in the evening. Patchy fog after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs around 60. West winds up to 5 mph. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. West winds up to 5 mph. .SATURDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers in the afternoon. Highs around 65. Southwest winds up to 5 mph. Chance of showers 30 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. East winds 5 to 10 mph. Chance of precipitation 60 percent. .SUNDAY...Cooler. Rain showers. Highs 50 to 55. Chance of showers 90 percent. .SUNDAY NIGHT...Rain showers likely. Lows around 40. Chance of showers 70 percent. .MONDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .TUESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. .TUESDAY NIGHT...Mostly clear. Lows 35 to 40. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs around 65. Lows around 40. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 30 percent. $$ MTZ310-161000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 233 PM MDT Thu May 15 2025 .TONIGHT...Colder. Mostly cloudy with slight chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows 35 to 40. Northwest winds 5 to 15 mph. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs around 60. Northwest winds up to 10 mph. Chance of showers 50 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely in the evening, then chance of rain showers after midnight. Lows 40 to 45. Southwest winds up to 10 mph. Chance of showers 70 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs around 65. Southwest winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 45. East winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Cooler. Rain showers. Highs around 55. Chance of showers 90 percent. .SUNDAY NIGHT...Rain showers likely. Lows 40 to 45. Chance of showers 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .TUESDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs around 65. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 40 percent. $$ MTZ311-161000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 233 PM MDT Thu May 15 2025 .TONIGHT...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 45. Northwest winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs around 60. Northwest winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. Northeast winds up to 5 mph shifting to the southeast after midnight. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Southeast winds 5 to 15 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 45. East winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Rain showers likely. Highs 50 to 60. Chance of showers 70 percent. .SUNDAY NIGHT...Rain showers. Lows 40 to 45. Chance of showers 90 percent. .MONDAY...Rain showers likely. Highs around 55. Chance of showers 70 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. Highs 60 to 65. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows 40 to 45. .WEDNESDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 60 to 70. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. $$ MTZ312-161000- Cascade County below 5000ft- Including Great Falls 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 40. Northwest winds 5 to 15 mph shifting to the west up to 5 mph after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs around 60. West winds up to 5 mph. Chance of showers 50 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 40. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers in the afternoon. Highs around 65. Southwest winds up to 10 mph. Chance of showers 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows around 45. East winds up to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Cooler. Rain showers and slight chance of thunderstorms. Highs around 55. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Rain showers likely. Lows around 40. Chance of showers 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .TUESDAY...Partly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. .TUESDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows around 40. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. Lows 40 to 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Great Falls Arpt 39 61 40 66 / 40 50 50 30 $$ MTZ313-161000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 233 PM MDT Thu May 15 2025 .TONIGHT...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows in the mid 30s. Northwest winds 15 to 25 mph decreasing to 5 to 15 mph after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 35 to 40. Southwest winds up to 5 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 60. Southwest winds up to 10 mph shifting to the southeast in the afternoon. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. Southeast winds 5 to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Rain showers and slight chance of thunderstorms. Highs 50 to 55. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Rain showers. Lows around 40. Chance of showers 90 percent. .MONDAY...Rain showers likely. Highs 50 to 55. Chance of showers 70 percent. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .TUESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent. $$ MTZ314-161000- Fergus County below 4500ft- Including Hilger and Lewistown 233 PM MDT Thu May 15 2025 .TONIGHT...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 40 to 45. Northwest winds 15 to 25 mph shifting to the west 10 to 15 mph after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 60. Northwest winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 45. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. South winds up to 10 mph shifting to the southeast in the afternoon. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 45. East winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY AND SUNDAY NIGHT...Rain showers and slight chance of thunderstorms. Highs 55 to 60. Lows 40 to 45. Chance of precipitation 90 percent. .MONDAY...Rain showers likely. Highs 50 to 55. Chance of showers 70 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. Highs 60 to 65. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Lewistown 36 57 38 61 / 40 60 60 70 $$ MTZ315-161000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Colder. Mostly cloudy with chance of thunderstorms in the evening, then partly cloudy with chance of rain showers and snow showers after midnight. Patchy fog after midnight. Lows 30 to 35. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs 45 to 55. West winds up to 10 mph. Chance of showers 50 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers and snow showers after midnight. Lows in the mid 30s. West winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 35 to 40. Northeast winds up to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Cooler. Rain showers. Light snow accumulations. Highs 40 to 45. Chance of showers near 100 percent. .SUNDAY NIGHT...Rain showers likely and chance of snow showers. Light snow accumulations. Lows 35 to 40. Chance of precipitation 70 percent. .MONDAY...Not as cool. Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 45 to 55. .MONDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers and snow showers. Lows 35 to 40. .TUESDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 50 to 60. .TUESDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows around 35. .WEDNESDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 55 to 60. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. $$ MTZ316-161000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 233 PM MDT Thu May 15 2025 .TONIGHT...Colder. Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 35 to 40. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers in the afternoon. Highs 55 to 60. Southwest winds up to 10 mph. Chance of showers 50 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 35 to 40. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs 60 to 65. Southwest winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. Northeast winds up to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Rain showers. Highs 45 to 55. Chance of showers near 100 percent. .SUNDAY NIGHT AND MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. Highs 50 to 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .TUESDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 65. .TUESDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows 35 to 40. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. Lows 40 to 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 40 percent. $$ MTZ317-161000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Colder. Mostly cloudy. Chance of thunderstorms and slight chance of snow showers in the evening, then slight chance of rain showers and snow showers after midnight. Patchy fog after midnight. Lows 30 to 35. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Little or no snow accumulation. Lows 30 to 40. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. Southeast winds 5 to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Rain showers and slight chance of thunderstorms. Light snow accumulations. Highs 45 to 50. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Rain showers with snow showers likely. Moderate snow accumulations. Lows 35 to 40. Chance of precipitation 90 percent. .MONDAY...Rain showers and snow showers likely. Light snow accumulations. Highs 40 to 50. Chance of precipitation 70 percent. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Lows 35 to 40. .TUESDAY...Mostly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 50 to 55. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy with chance of rain showers and slight chance of snow showers. Lows 30 to 40. Chance of precipitation 40 percent. .WEDNESDAY...Partly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 50 to 60. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. $$ MTZ318-161000- Snowy and Judith Mountains- 233 PM MDT Thu May 15 2025 .TONIGHT...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the mid 30s. Northwest winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 40 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs 50 to 55. Northwest winds 5 to 15 mph. .FRIDAY NIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 35 to 40. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 55 to 60. Southwest winds up to 10 mph shifting to the southeast in the afternoon. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 40. East winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Rain showers and chance of thunderstorms. Highs 50 to 55. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Rain showers and slight chance of thunderstorms. Heavy snow accumulations. Lows 35 to 40. Chance of precipitation 90 percent. .MONDAY...Rain showers likely. Light snow accumulations. Highs 45 to 50. Chance of showers 70 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. Highs 50 to 55. .TUESDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. $$ MTZ319-161000- Helena Valley- Including Helena 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Patchy fog after midnight. Lows 35 to 40. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs around 60. Southwest winds up to 5 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 35 to 40. Southwest winds up to 5 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 65. Light winds becoming southeast up to 5 mph in the afternoon. Chance of precipitation 40 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows around 45. Northeast winds up to 5 mph. Chance of precipitation 70 percent. .SUNDAY...Cooler. Rain showers. Highs 50 to 55. Chance of showers near 100 percent. .SUNDAY NIGHT...Colder. Rain showers likely. Lows 35 to 40. Chance of showers 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .TUESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows 35 to 40. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 30 percent. && TEMPERATURE / PRECIPITATION Helena 40 62 41 67 / 40 60 40 40 $$ MTZ320-161000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers and snow showers after midnight. Patchy fog after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph with gusts to around 30 mph decreasing to up to 5 mph after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Patchy dense fog in the morning. A 50 percent chance of rain showers in the afternoon. Highs 45 to 55. West winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Snow accumulation up to 1 inch. Lows 35 to 40. West winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers and snow showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. East winds 5 to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Rain showers and slight chance of thunderstorms. Moderate snow accumulations. Highs 40 to 50. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Rain showers with snow showers likely. Moderate snow accumulations. Lows around 35. Chance of precipitation 90 percent. .MONDAY...Snow showers likely and chance of rain showers. Moderate snow accumulations. Highs 40 to 50. Chance of precipitation 70 percent. .MONDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of snow showers. Lows around 35. Chance of precipitation 40 percent. .TUESDAY...Mostly cloudy with chance of rain showers and slight chance of snow showers. Highs 50 to 55. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy with chance of rain showers and slight chance of snow showers. Lows 35 to 40. Chance of precipitation 40 percent. .WEDNESDAY...Partly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 50 to 60. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. $$ MTZ321-161000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Patchy fog after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Patchy fog in the morning. A 50 percent chance of rain showers in the afternoon. Highs 50 to 55. West winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the mid 30s. West winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 60. Southwest winds up to 10 mph. Chance of precipitation 60 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows around 40. East winds 5 to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Cooler. Rain showers and slight chance of thunderstorms. Highs around 50. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Rain showers likely. Lows around 35. Chance of showers 60 percent. .MONDAY...Rain showers likely. Highs 45 to 50. Chance of showers 60 percent. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 35. .TUESDAY...Not as cool. Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows around 35. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. $$ MTZ322-161000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy with chance of thunderstorms and slight chance of snow showers in the evening, then partly cloudy after midnight. Lows 30 to 35. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely and slight chance of thunderstorms in the evening, then slight chance of rain showers and snow showers after midnight. Little or no snow accumulation. Lows 30 to 40. West winds up to 10 mph. Chance of precipitation 60 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 60. South winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain showers and snow showers after midnight. Lows 35 to 45. East winds up to 10 mph. Chance of precipitation 80 percent. .SUNDAY...Rain showers and snow showers. Moderate snow accumulations. Highs 40 to 50. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Colder. Rain showers likely and chance of snow showers. Light snow accumulations. Lows 30 to 35. Chance of precipitation 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 45 to 55. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .TUESDAY...Mostly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 50 to 60. Chance of precipitation 50 percent. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 30 to 40. Highs 55 to 65. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. $$ MTZ323-161000- Canyon Ferry Area- Including Toston, Townsend, and Winston 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Patchy fog after midnight. Lows 35 to 40. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs 55 to 60. West winds up to 5 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 40. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. South winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows around 45. East winds up to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Rain showers. Highs 50 to 55. Chance of showers near 100 percent. .SUNDAY NIGHT AND MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. Highs 50 to 55. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .TUESDAY...Warmer. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 65. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 30 percent. $$ MTZ324-161000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the mid 30s. North winds up to 10 mph shifting to the west after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 40. West winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. South winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. East winds up to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Rain showers. Highs 50 to 55. Chance of showers near 100 percent. .SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .MONDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 55. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .TUESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. Highs around 65. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. $$ MTZ325-161000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Patchy fog after midnight. Lows in the mid 30s. North winds up to 10 mph shifting to the southwest after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. South winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 35 to 40. South winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. South winds up to 10 mph. Chance of precipitation 40 percent. .SATURDAY NIGHT...Rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. Southeast winds up to 10 mph. Chance of precipitation 80 percent. .SUNDAY...Cooler. Rain showers and slight chance of thunderstorms. Highs around 50. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 50 to 55. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .TUESDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .TUESDAY NIGHT...Partly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. Lows around 40. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. $$ MTZ326-161000- Gallatin Valley- Including Bozeman and Gallatin Gateway 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Patchy fog after midnight. Lows 35 to 40. Northwest winds up to 10 mph in the evening becoming light. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Patchy fog in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds up to 5 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 40. South winds up to 5 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. South winds up to 5 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. East winds 5 to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Rain showers and slight chance of thunderstorms. Highs 50 to 55. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Rain showers. Lows 35 to 40. Chance of showers 90 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 50 to 55. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .TUESDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs around 60. .TUESDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 65. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. && TEMPERATURE / PRECIPITATION Bozeman Airport 36 59 39 65 / 30 50 70 40 Bozeman MSU 37 57 39 63 / 40 50 70 40 $$ MTZ330-161000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms and snow showers in the evening, then slight chance of snow showers after midnight. Patchy fog after midnight. Lows 25 to 30. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 40 to 50. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely and chance of thunderstorms in the evening, then slight chance of rain showers and snow showers after midnight. Snow accumulation up to 3 inches. Snow level above 8000 feet. Lows 30 to 35. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55. South winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Rain showers, snow showers and slight chance of thunderstorms in the evening, then rain showers and snow showers after midnight. Light snow accumulations. Snow level above 8000 feet. Lows 35 to 40. Southeast winds up to 10 mph. Chance of precipitation 90 percent. .SUNDAY...Rain showers, snow showers and slight chance of thunderstorms. Heavy snow accumulations. Highs 35 to 45. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Colder. Rain showers and chance of snow showers. Moderate snow accumulations. Lows 25 to 35. Chance of precipitation 90 percent. .MONDAY...Mostly cloudy with a 50 percent chance of snow showers and rain showers. Highs 40 to 50. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .TUESDAY...Mostly cloudy with a 20 percent chance of thunderstorms and snow showers. Highs 45 to 55. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Lows 30 to 35. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of snow showers. Highs 50 to 60. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 30 to 35. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 50 to 60. && TEMPERATURE / PRECIPITATION West Yellowstone 28 52 31 58 / 60 70 80 40 $$ MTZ327-161000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. A 20 percent chance of thunderstorms and snow showers in the evening. Lows 25 to 30. Northwest winds up to 10 mph. .FRIDAY...Mostly cloudy. Slight chance of snow showers in the morning, then rain showers, snow showers likely and slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Snow level 7000 feet. Highs 40 to 50. West winds up to 10 mph. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening. Lows 30 to 35. West winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55. South winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Rain showers, snow showers and slight chance of thunderstorms in the evening, then rain showers and snow showers after midnight. Moderate snow accumulations. Snow level above 8000 feet. Lows 30 to 35. East winds up to 10 mph shifting to the northwest after midnight. Chance of precipitation 90 percent. .SUNDAY...Snow showers and rain showers. Moderate snow accumulations. Highs 35 to 45. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Snow showers and rain showers likely. Light snow accumulations. Lows 25 to 30. Chance of precipitation 70 percent. .MONDAY AND MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Highs 40 to 50. Lows 25 to 30. .TUESDAY...Mostly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 45 to 55. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 25 to 30. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 50 to 60. .WEDNESDAY NIGHT...Partly cloudy. Lows 30 to 35. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 30 percent. $$ MTZ328-161000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 30 to 35. North winds up to 10 mph shifting to the northwest after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 55. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy. A 50 percent chance of thunderstorms in the evening. Lows 35 to 40. West winds up to 10 mph. .SATURDAY...Warmer. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. South winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Rain showers and slight chance of thunderstorms in the evening, then rain showers after midnight. Light snow accumulations. Lows around 40. East winds up to 10 mph. Chance of precipitation 90 percent. .SUNDAY...Cooler. Rain showers and slight chance of thunderstorms. Moderate snow accumulations. Highs 45 to 50. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Colder. Rain showers likely and chance of snow showers. Light snow accumulations. Lows 30 to 35. Chance of precipitation 70 percent. .MONDAY...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Highs 50 to 55. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 30 to 35. .TUESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 35. Highs 60 to 65. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. && TEMPERATURE / PRECIPITATION Dillon 35 54 37 61 / 30 60 40 30 $$ MTZ329-161000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 233 PM MDT Thu May 15 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms and snow showers in the evening, then chance of rain showers and snow showers after midnight. Lows around 30. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Rain showers, snow showers likely and slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Snow level 7500 feet. Highs 40 to 50. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely and chance of thunderstorms in the evening. Snow accumulation up to 1 inch. Lows 30 to 35. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 55. Southeast winds up to 10 mph shifting to the south in the afternoon. Chance of precipitation 50 percent. .SATURDAY NIGHT...Rain showers, snow showers and slight chance of thunderstorms in the evening, then rain showers and snow showers after midnight. Light snow accumulations. Lows 35 to 40. Southeast winds 5 to 15 mph. Chance of precipitation 90 percent. .SUNDAY...Rain showers, snow showers and slight chance of thunderstorms. Heavy snow accumulations. Highs 35 to 45. Chance of precipitation near 100 percent. .SUNDAY NIGHT...Colder. Chance of snow showers and rain showers likely. Light snow accumulations. Lows 25 to 35. Chance of precipitation 70 percent. .MONDAY...Mostly cloudy with a 40 percent chance of snow showers and rain showers. Highs 40 to 50. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .TUESDAY...Mostly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 50 to 55. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 30 to 35. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 55 to 60. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 55 to 65. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls