FPUS55 KTFX 192018 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT Issued by National Weather Service Missoula MT 218 PM MDT Mon May 19 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Tuesday, Tuesday night, and Wednesday. MTZ301-201015- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Breezy. Mostly cloudy. A 20 percent chance of rain showers and snow showers in the evening. Lows 30 to 35. Southwest winds 15 to 25 mph. .TUESDAY...Breezy. Mostly cloudy. Slight chance of rain showers and snow showers in the morning, then chance of rain showers and snow showers in the afternoon. Highs 40 to 50. West winds 15 to 25 mph with gusts to around 40 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT...Breezy. Partly cloudy. A 20 percent chance of rain showers and snow showers in the evening. Lows 30 to 35. West winds 15 to 25 mph with gusts to around 40 mph. .WEDNESDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers and snow showers in the afternoon. Highs 40 to 50. West winds 10 to 20 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 30 to 35. Southwest winds 10 to 15 mph decreasing to up to 10 mph after midnight. .THURSDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 45 to 55. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Lows around 35. Highs 50 to 60. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 50 to 60. Lows 35 to 40. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 50 to 60. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 45. Highs 60 to 70. $$ MTZ307-201015- Southern Rocky Mountain Front- Including Rogers Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. West winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Breezy. Mostly cloudy. Chance of snow showers and slight chance of rain showers in the morning, then chance of rain showers and snow showers in the afternoon. Highs 40 to 50. West winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of snow showers in the evening. Lows 30 to 35. West winds 10 to 20 mph with gusts to around 35 mph. .WEDNESDAY...Partly cloudy with slight chance of snow showers in the morning, then mostly cloudy with chance of rain showers and snow showers in the afternoon. Highs 45 to 55. West winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows 30 to 35. West winds 5 to 15 mph. .THURSDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 45 to 55. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with chance of rain showers and slight chance of snow showers. Lows 30 to 40. Highs 50 to 60. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .SATURDAY...Rain showers likely. Highs 50 to 60. Chance of showers 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 50 to 60. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 45. .MEMORIAL DAY...Warmer. Partly cloudy with a 40 percent chance of rain showers. Highs 60 to 70. $$ MTZ302-201015- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 218 PM MDT Mon May 19 2025 .TONIGHT...Breezy. Mostly cloudy in the evening then becoming partly cloudy. Lows 35 to 40. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. .TUESDAY...Windy. Partly cloudy. A 20 percent chance of rain showers in the afternoon. Highs in the mid 50s. West winds 20 to 30 mph. .TUESDAY NIGHT...Windy. Mostly clear. Lows 35 to 40. West winds 20 to 30 mph. .WEDNESDAY...Breezy. Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 55 to 60. West winds 15 to 25 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 30 to 35. West winds 5 to 15 mph. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. Lows 35 to 40. .FRIDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. Lows around 40. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs around 70. $$ MTZ308-201015- Southern High Plains- Including Bynum, Choteau, and Pendroy 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 35 to 40. West winds 5 to 15 mph. .TUESDAY...Breezy. Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers in the afternoon. Highs 55 to 60. West winds 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Chance of showers 40 percent. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds 10 to 20 mph. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 60. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. West winds up to 10 mph. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs around 60. Lows around 40. .FRIDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows 40 to 45. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. Highs 70 to 75. $$ MTZ303-201015- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. West winds 10 to 20 mph. .TUESDAY...Breezy. Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 60. West winds 15 to 25 mph. .TUESDAY NIGHT...Breezy. Mostly clear. Lows 35 to 40. West winds 15 to 25 mph. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 60. West winds 10 to 20 mph. .WEDNESDAY NIGHT...Mostly clear. Lows around 35. West winds 10 to 15 mph decreasing to up to 10 mph after midnight. .THURSDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .FRIDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs around 65. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .SUNDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs around 70. && TEMPERATURE / PRECIPITATION Cut Bank 36 59 36 60 / 10 10 0 20 $$ MTZ304-201015- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. Lows 35 to 40. Southwest winds 5 to 15 mph. .TUESDAY...Sunny in the morning, then partly cloudy with a 30 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 10 to 20 mph. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. West winds 10 to 20 mph. .WEDNESDAY...Sunny with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers in the afternoon. Highs 60 to 65. West winds 10 to 15 mph. Chance of showers 40 percent. .WEDNESDAY NIGHT...Mostly clear. Lows 35 to 40. West winds 5 to 15 mph. .THURSDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. Highs 60 to 65. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 65 to 70. Lows 40 to 45. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. Highs 70 to 75. $$ MTZ305-201015- Hill County- Including Havre 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. Southeast winds 5 to 15 mph. .TUESDAY...Partly cloudy in the morning, then mostly cloudy with a 30 percent chance of rain showers in the afternoon. Highs in the mid 60s. West winds 10 to 20 mph. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. West winds 10 to 15 mph. .WEDNESDAY...Sunny with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers in the afternoon. Highs around 65. West winds 10 to 15 mph. Chance of showers 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows around 35. West winds 5 to 15 mph shifting to the south after midnight. .THURSDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. .THURSDAY NIGHT...Rain showers likely. Lows 40 to 45. Chance of showers 70 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs 70 to 75. && TEMPERATURE / PRECIPITATION Havre 39 66 39 67 / 20 20 20 40 $$ MTZ306-201015- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 218 PM MDT Mon May 19 2025 .TONIGHT...Cloudy with a 50 percent chance of rain showers. Patchy dense fog after midnight. Lows 35 to 40. Southeast winds 5 to 15 mph. .TUESDAY...Warmer. Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs 60 to 65. South winds 5 to 10 mph shifting to the west 10 to 15 mph in the afternoon. Chance of showers 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 35 to 40. West winds 5 to 15 mph. .WEDNESDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with rain showers likely in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of showers 70 percent. .WEDNESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 35. Northwest winds 5 to 15 mph shifting to the southeast 5 to 10 mph after midnight. .THURSDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. .THURSDAY NIGHT AND FRIDAY...Rain showers likely. Lows 40 to 45. Highs 60 to 65. Chance of showers 60 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 40. .SATURDAY THROUGH SUNDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 70. Lows 40 to 45. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs 65 to 70. $$ MTZ309-201015- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. West winds 5 to 15 mph. .TUESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 60. West winds 10 to 20 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds 5 to 15 mph. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows around 35. West winds up to 10 mph. .THURSDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .FRIDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs 70 to 75. $$ MTZ310-201015- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. South winds 5 to 10 mph. .TUESDAY...Breezy. Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. West winds 10 to 15 mph. .WEDNESDAY...Sunny in the morning, then mostly cloudy with a 40 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 35 to 40. Southwest winds up to 10 mph. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 65 to 70. Lows 40 to 45. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 45. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows around 45. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. Highs 70 to 75. $$ MTZ311-201015- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 218 PM MDT Mon May 19 2025 .TONIGHT...Cloudy. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Lows around 40. Southeast winds up to 10 mph. Chance of showers 50 percent. .TUESDAY...Mostly cloudy. A 40 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. West winds 5 to 15 mph. .WEDNESDAY...Sunny in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. A 20 percent chance of rain showers in the evening. Lows around 40. West winds 5 to 10 mph shifting to the south after midnight. .THURSDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 65 to 70. .THURSDAY NIGHT...Rain showers likely. Lows around 45. Chance of showers 70 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 45. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows around 45. Highs around 65. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. Highs 65 to 70. $$ MTZ312-201015- Cascade County below 5000ft- Including Great Falls 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows around 40. Southwest winds 5 to 15 mph. .TUESDAY...Breezy. Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs around 60. West winds 15 to 25 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds 5 to 15 mph. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. West winds 5 to 10 mph shifting to the southwest after midnight. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. Lows 40 to 45. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 45. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 70 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows around 45. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. Highs 70 to 75. && TEMPERATURE / PRECIPITATION Great Falls Arpt 40 61 36 62 / 10 30 10 20 $$ MTZ313-201015- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. West winds 5 to 15 mph. .TUESDAY...Breezy. Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs 55 to 60. West winds 15 to 25 mph. .TUESDAY NIGHT...Mostly clear. A 20 percent chance of rain showers in the evening. Lows 30 to 35. West winds 5 to 15 mph. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 55 to 60. West winds 10 to 20 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 35 to 40. West winds 5 to 10 mph shifting to the southwest after midnight. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. Lows around 40. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows 40 to 45. .MEMORIAL DAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. $$ MTZ314-201015- Fergus County below 4500ft- Including Hilger and Lewistown 218 PM MDT Mon May 19 2025 .TONIGHT...Cloudy with a 20 percent chance of rain showers. Patchy fog after midnight. Lows around 40. East winds 5 to 10 mph shifting to the south after midnight. .TUESDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 10 to 20 mph. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. West winds 5 to 15 mph. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds 10 to 20 mph. Gusts up to 30 mph in the morning. .WEDNESDAY NIGHT...Mostly clear. Lows 35 to 40. West winds 5 to 10 mph shifting to the south after midnight. .THURSDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 65 to 70. .THURSDAY NIGHT...Rain showers likely. Lows around 45. Chance of showers 70 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 45. .SATURDAY THROUGH SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Lows 40 to 45. Chance of precipitation 50 percent. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. Highs 65 to 70. && TEMPERATURE / PRECIPITATION Lewistown 37 58 33 57 / 20 40 20 20 $$ MTZ315-201015- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. Lows in the mid 30s. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .TUESDAY...Mostly cloudy. Slight chance of rain showers and snow showers in the morning, then chance of rain showers and snow showers in the afternoon. Highs 45 to 55. West winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly clear. Lows 30 to 35. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers and snow showers in the afternoon. Highs 50 to 55. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. West winds up to 10 mph. .THURSDAY...Rain showers likely. Highs 50 to 60. Chance of showers 60 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .FRIDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 40. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .MEMORIAL DAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 30 percent. $$ MTZ316-201015- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 35 to 40. Southwest winds 5 to 15 mph. .TUESDAY...Breezy. Partly cloudy in the morning, then mostly cloudy with a 40 percent chance of rain showers in the afternoon. Highs 50 to 60. West winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 55 to 60. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. West winds up to 10 mph. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 65. Lows around 40. .FRIDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .MEMORIAL DAY...Partly cloudy with a 30 percent chance of rain showers. Highs 65 to 75. $$ MTZ317-201015- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 30 to 35. West winds 5 to 15 mph. .TUESDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers and snow showers in the afternoon. Highs 45 to 55. West winds 10 to 20 mph. .TUESDAY NIGHT...Mostly clear. A 20 percent chance of rain showers and snow showers in the evening. Lows 30 to 35. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Sunny in the morning, then mostly cloudy with a 40 percent chance of rain showers and snow showers in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 30 to 40. West winds 5 to 10 mph shifting to the south after midnight. .THURSDAY...Rain showers likely. Highs 55 to 60. Chance of showers 60 percent. .THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 35 to 40. Chance of precipitation 40 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 50 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 35 to 45. Highs 55 to 60. Chance of precipitation 40 percent. .SATURDAY NIGHT...Rain showers likely. Lows 35 to 40. Chance of showers 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .MEMORIAL DAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. $$ MTZ318-201015- Snowy and Judith Mountains- 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 30s. Northeast winds up to 10 mph shifting to the west after midnight. .TUESDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs 50 to 55. Northwest winds 10 to 20 mph. .TUESDAY NIGHT...Partly cloudy. Chance of snow showers and slight chance of rain showers in the evening. Lows 30 to 35. West winds 5 to 15 mph. Chance of precipitation 30 percent. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 50 to 55. West winds 10 to 15 mph with gusts to around 30 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 35 to 40. West winds 5 to 10 mph shifting to the south after midnight. .THURSDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 40. Highs 55 to 60. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 35 to 40. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely. Lows 35 to 40. Chance of showers 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .MEMORIAL DAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. $$ MTZ319-201015- Helena Valley- Including Helena 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 35 to 40. West winds 5 to 15 mph shifting to the southwest up to 5 mph after midnight. .TUESDAY...Partly cloudy in the morning, then mostly cloudy with a 30 percent chance of rain showers in the afternoon. Highs around 60. West winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Sunny. Highs 60 to 65. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. West winds up to 10 mph in the evening becoming light. .THURSDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs around 65. .THURSDAY NIGHT...Partly cloudy with a 50 percent chance of rain showers. Lows around 40. .FRIDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Chance of precipitation 30 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 75. && TEMPERATURE / PRECIPITATION Helena 41 62 38 64 / 10 30 10 10 $$ MTZ320-201015- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Partly cloudy. Lows 30 to 35. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. A 50 percent chance of rain showers and snow showers in the afternoon. Highs 45 to 55. West winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers and snow showers in the evening. Lows 30 to 35. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers and snow showers in the afternoon. Highs 50 to 55. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. West winds 5 to 10 mph shifting to the east after midnight. .THURSDAY...Rain showers likely and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 60 percent. .THURSDAY NIGHT...Rain showers likely. Lows 35 to 40. Chance of showers 70 percent. .FRIDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 40. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows 40 to 45. .MEMORIAL DAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 30 percent. $$ MTZ321-201015- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 218 PM MDT Mon May 19 2025 .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 30 to 35. Northwest winds 5 to 15 mph. .TUESDAY...Breezy. Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of rain showers in the afternoon. Highs 50 to 55. West winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. A 20 percent chance of rain showers in the evening. Lows around 30. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 55. West winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows around 35. West winds 5 to 10 mph shifting to the east after midnight. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 50 percent. .THURSDAY NIGHT...Rain showers likely and slight chance of thunderstorms. Lows around 35. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 40. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows around 40. .MEMORIAL DAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 30 percent. $$ MTZ322-201015- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 30 to 35. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. A 50 percent chance of rain showers and snow showers in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 25 to 35. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 50 to 60. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 30 to 40. Northwest winds up to 10 mph. .THURSDAY...Rain showers likely, slight chance of thunderstorms and snow showers. Highs 50 to 60. Chance of precipitation 60 percent. .THURSDAY NIGHT...Partly cloudy with a 50 percent chance of rain showers. Lows 30 to 40. .FRIDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 35 to 40. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .MEMORIAL DAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 30 percent. $$ MTZ323-201015- Canyon Ferry Area- Including Toston, Townsend, and Winston 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 35 to 40. Northwest winds 5 to 15 mph. .TUESDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs 55 to 60. Northwest winds 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Lows 30 to 35. Northwest winds 10 to 15 mph decreasing to up to 10 mph after midnight. .WEDNESDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 60. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the northeast after midnight. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy with a 50 percent chance of rain showers. Lows around 40. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 65. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 75. $$ MTZ324-201015- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 30 to 35. Northwest winds 5 to 15 mph. .WEDNESDAY...Sunny in the morning then becoming partly cloudy. Highs around 60. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. Northwest winds up to 10 mph. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 45. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. .SUNDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 75. $$ MTZ325-201015- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. Lows in the mid 30s. Northwest winds 5 to 15 mph shifting to the south after midnight. .TUESDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 55 to 60. Southwest winds up to 10 mph shifting to the northwest in the afternoon. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 30 to 35. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .WEDNESDAY...Partly cloudy. Highs 55 to 60. Southwest winds up to 10 mph shifting to the west in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. Southwest winds 5 to 15 mph shifting to the southeast after midnight. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 65. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows around 40. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent. .SUNDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows 40 to 45. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 70. $$ MTZ326-201015- Gallatin Valley- Including Bozeman and Gallatin Gateway 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. Lows in the mid 30s. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .TUESDAY...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the mid 30s. Northwest winds up to 10 mph. Chance of precipitation 40 percent. .WEDNESDAY...Sunny in the morning then becoming partly cloudy. Highs around 60. West winds up to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. West winds 5 to 10 mph shifting to the southeast after midnight. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy with a 50 percent chance of rain showers. Lows around 40. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 65. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 45. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs around 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 70. && TEMPERATURE / PRECIPITATION Bozeman Airport 36 59 33 60 / 10 60 30 10 Bozeman MSU 37 57 34 59 / 10 60 30 10 $$ MTZ330-201015- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. Lows 25 to 35. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Chance of snow showers and rain showers in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Snow accumulation of 2 to 5 inches. Snow level 7000 feet. Highs 40 to 50. West winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of snow showers, rain showers and slight chance of thunderstorms in the evening. Lows 25 to 30. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .WEDNESDAY...Partly cloudy. A 20 percent chance of snow showers in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 30 to 35. Southwest winds 5 to 15 mph shifting to the southeast after midnight. .THURSDAY...Rain showers likely and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 60 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 30 to 35. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 50 to 60. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 35 to 40. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of snow showers. Lows 30 to 40. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 55 to 65. && TEMPERATURE / PRECIPITATION West Yellowstone 28 51 27 55 / 20 80 70 20 $$ MTZ327-201015- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy. Slight chance of rain showers and snow showers in the evening, then slight chance of snow showers after midnight. Lows 25 to 30. West winds 5 to 15 mph. Chance of precipitation 20 percent. .TUESDAY...Mostly cloudy. Chance of snow showers in the morning, then snow showers likely and chance of rain showers in the afternoon. Snow accumulation up to 1 inch. Snow level 6500 feet. Highs 40 to 50. West winds 5 to 15 mph. Chance of precipitation 60 percent. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of snow showers in the evening. Lows in the mid 20s. Northwest winds 10 to 15 mph decreasing to up to 10 mph after midnight. .WEDNESDAY...Partly cloudy in the morning then becoming sunny. Highs 45 to 55. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 30 to 35. West winds 5 to 10 mph shifting to the east after midnight. .THURSDAY...Rain showers likely, slight chance of thunderstorms and snow showers. Highs 45 to 55. Chance of precipitation 70 percent. .THURSDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 30 to 35. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 50 to 60. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 35. Chance of precipitation 40 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 50 to 60. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of snow showers. Lows 30 to 35. Chance of precipitation 50 percent. .SUNDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 55 to 65. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .MEMORIAL DAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 40 percent. $$ MTZ328-201015- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening, then partly cloudy with a 20 percent chance of rain showers after midnight. Lows 30 to 35. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Slight chance of rain showers and snow showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Southwest winds up to 10 mph shifting to the west in the afternoon. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 30 to 35. Northwest winds 5 to 15 mph. .WEDNESDAY...Sunny in the morning then becoming partly cloudy. Highs 55 to 60. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 35 to 40. West winds 5 to 10 mph shifting to the southeast after midnight. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .FRIDAY...Sunny with a 20 percent chance of thunderstorms. Highs 60 to 70. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows around 40. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. Lows around 40. .SUNDAY AND SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. Lows 40 to 45. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 75. && TEMPERATURE / PRECIPITATION Dillon 34 56 32 60 / 20 50 10 0 $$ MTZ329-201015- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 218 PM MDT Mon May 19 2025 .TONIGHT...Mostly cloudy in the evening, then partly cloudy with a 20 percent chance of snow showers after midnight. Lows 30 to 35. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Slight chance of rain showers and 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 45 to 55. West winds up to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy with chance of snow showers, rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 25 to 30. Northwest winds 5 to 15 mph. Chance of precipitation 40 percent. .WEDNESDAY...Sunny. Highs 50 to 55. West winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows around 35. Southwest winds 10 to 15 mph shifting to the southeast 5 to 10 mph after midnight. .THURSDAY...Mostly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 50 to 60. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 30 to 35. .FRIDAY...Sunny with a 20 percent chance of thunderstorms. Highs 55 to 65. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 35 to 40. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .SATURDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 30 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 70. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls