FPUS55 KTFX 220252 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT Issued by National Weather Service Missoula MT 852 PM MDT Wed May 21 2025 Spot temperatures and probabilities of measurable precipitation are for the rest of tonight, Thursday, Thursday night, and Friday. MTZ301-221015- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows 30 to 35. Southwest winds up to 10 mph. .THURSDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs 45 to 55. Southeast winds 5 to 15 mph. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Lows 35 to 40. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. West winds up to 10 mph. .SATURDAY...Warmer. Sunny with a 20 percent chance of rain showers. Highs 55 to 65. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 40 to 45. Highs 60 to 70. .MEMORIAL DAY...Sunny. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Sunny with a 20 percent chance of rain showers. Highs 65 to 75. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. Highs 60 to 70. $$ MTZ307-221015- Southern Rocky Mountain Front- Including Rogers Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy. Lows 30 to 35. West winds up to 10 mph shifting to the southwest after midnight. .THURSDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs 45 to 55. Southeast winds up to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Snow accumulation up to 2 inches. Lows 30 to 40. West winds up to 10 mph. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 30 to 40. West winds up to 10 mph. .SATURDAY...Warmer. Partly cloudy with a 20 percent chance of rain showers. Highs 55 to 65. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 35 to 45. Highs 60 to 70. .MEMORIAL DAY...Sunny with a 20 percent chance of thunderstorms. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. $$ MTZ302-221015- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows in the mid 30s. West winds 5 to 15 mph. .THURSDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs around 60. Southeast winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .THURSDAY 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. Northeast winds 5 to 10 mph shifting to the northwest after midnight. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. Northwest winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SATURDAY...Sunny with a 20 percent chance of rain showers. Highs around 65. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows around 40. Highs 70 to 75. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 45. Highs around 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs around 75. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. $$ MTZ308-221015- Southern High Plains- Including Bynum, Choteau, and Pendroy 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy. Lows 35 to 40. West winds up to 10 mph. .THURSDAY...Mostly cloudy. A 50 percent chance of rain showers in the afternoon. Highs around 60. East winds up to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 40. West winds 5 to 10 mph. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 35 to 40. North winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny with a 20 percent chance of rain showers. Highs 65 to 70. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 40 to 50. Highs 75 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. $$ MTZ303-221015- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows 30 to 35. Northwest winds 5 to 15 mph decreasing to up to 5 mph after midnight. .THURSDAY...Mostly cloudy. A 30 percent chance of rain showers in the afternoon. Highs in the mid 60s. East winds up to 10 mph shifting to the southeast in the afternoon. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 40. Northeast winds 5 to 10 mph. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely in the afternoon. Highs around 60. Northwest winds 5 to 10 mph. Chance of showers 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 35 to 40. North winds 5 to 10 mph shifting to the south after midnight. .SATURDAY THROUGH SUNDAY...Mostly clear. Highs 65 to 75. Lows around 40. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 45. Highs 75 to 80. .MONDAY NIGHT AND TUESDAY...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. .WEDNESDAY...Sunny with a 20 percent chance of rain showers. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Cut Bank 32 64 41 60 / 10 30 60 60 $$ MTZ304-221015- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. A 50 percent chance of rain showers early in the evening. Lows 35 to 40. Northwest winds up to 10 mph. .THURSDAY...Mostly cloudy. A 40 percent chance of rain showers in the afternoon. Highs 65 to 70. East winds up to 10 mph shifting to the southeast in the afternoon. .THURSDAY NIGHT...Rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 45. East winds 5 to 15 mph. Chance of precipitation 90 percent. .FRIDAY...Rain showers likely. Highs 55 to 60. North winds 5 to 10 mph. Chance of showers 70 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 65. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. .MONDAY NIGHT AND TUESDAY...Mostly clear. A 20 percent chance of rain showers. Lows 45 to 50. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Sunny with a 20 percent chance of rain showers. Highs 75 to 80. $$ MTZ305-221015- Hill County- Including Havre 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly cloudy early in the evening then clearing. A 50 percent chance of rain showers early in the evening. Lows in the mid 30s. Northwest winds up to 10 mph shifting to the east after midnight. .THURSDAY...Partly cloudy in the morning, then mostly cloudy with a 20 percent chance of rain showers in the afternoon. Highs around 70. East winds up to 10 mph increasing to southeast 10 to 20 mph in the afternoon. .THURSDAY NIGHT...Rain showers and slight chance of thunderstorms in the evening, then rain showers after midnight. Lows in the mid 40s. East winds 5 to 15 mph. Chance of precipitation 90 percent. .FRIDAY...Cooler. Rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. East winds 5 to 15 mph. Chance of precipitation 90 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 65. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows around 40. Highs 70 to 75. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 45 to 50. Highs around 75. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Sunny with a 20 percent chance of rain showers. Highs around 80. && TEMPERATURE / PRECIPITATION Havre 36 71 44 58 / 50 20 90 80 $$ MTZ306-221015- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly cloudy early in the evening then clearing. A 50 percent chance of rain showers early in the evening. Patchy fog after midnight. Lows in the mid 30s. Northeast winds 5 to 10 mph shifting to the southeast after midnight. .THURSDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 65 to 70. Southeast winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. .THURSDAY NIGHT...Cloudy. Chance of rain showers in the evening, then rain showers after midnight. Lows 40 to 45. East winds 10 to 20 mph. Chance of showers 90 percent. .FRIDAY...Cooler. Rain showers. Highs around 55. East winds 10 to 15 mph. Chance of showers 90 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Lows around 40. East winds 5 to 15 mph. Chance of showers 40 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. .SATURDAY NIGHT AND SUNDAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. Highs 65 to 70. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 40 to 45. Highs 70 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Sunny with a 20 percent chance of rain showers. Highs 75 to 80. $$ MTZ309-221015- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy. Lows in the mid 30s. West winds up to 10 mph. .THURSDAY...Mostly cloudy. A 30 percent chance of rain showers in the afternoon. Highs in the mid 60s. East winds up to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 40. East winds 5 to 10 mph shifting to the northwest after midnight. Chance of precipitation 70 percent. .FRIDAY...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. Northwest winds 5 to 10 mph. Chance of precipitation 60 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. North winds up to 10 mph. .SATURDAY...Sunny with a 20 percent chance of rain showers. Highs 65 to 70. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 40 to 45. Highs 75 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. .WEDNESDAY...Sunny with a 20 percent chance of rain showers. Highs around 80. $$ MTZ310-221015- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows 35 to 40. Southwest winds up to 10 mph. .THURSDAY...Mostly cloudy. A 40 percent chance of rain showers in the afternoon. Highs 65 to 70. Southeast winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .THURSDAY NIGHT...Rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows in the mid 40s. Southeast winds 5 to 15 mph. Chance of precipitation 90 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 60. West winds 5 to 15 mph. Chance of precipitation 70 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. North winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Partly cloudy with a 50 percent chance of rain showers. Highs around 65. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. .MONDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows around 50. .TUESDAY THROUGH WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 80. Lows around 50. $$ MTZ311-221015- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. A 50 percent chance of rain showers early in the evening. Lows 35 to 40. West winds up to 10 mph shifting to the south after midnight. .THURSDAY...Partly cloudy in the morning, then mostly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 65 to 70. Southeast winds up to 10 mph increasing to 10 to 20 mph in the afternoon. .THURSDAY NIGHT...Rain showers. Lows in the mid 40s. East winds 10 to 20 mph. Chance of showers 90 percent. .FRIDAY...Rain showers likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. East winds 5 to 15 mph shifting to the northwest in the afternoon. Chance of precipitation 80 percent. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 40 to 45. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. .SATURDAY NIGHT...Mostly clear. Lows 40 to 45. .SUNDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 45 to 50. Highs 70 to 75. .MONDAY NIGHT AND TUESDAY...Mostly clear. A 20 percent chance of rain showers. Lows around 50. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. $$ MTZ312-221015- Cascade County below 5000ft- Including Great Falls 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy. Lows 35 to 40. Southwest winds up to 10 mph. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. East winds up to 10 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 45. South winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. North winds 5 to 10 mph shifting to the southwest after midnight. .SATURDAY...Partly cloudy with a 50 percent chance of rain showers. Highs 65 to 70. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .TUESDAY...Sunny with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 30 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 80 to 85. && TEMPERATURE / PRECIPITATION Great Falls Arpt 37 65 43 63 / 0 40 70 50 $$ MTZ313-221015- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows in the mid 30s. Southwest winds up to 10 mph. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Southeast winds 10 to 20 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 40. Southeast winds 10 to 15 mph shifting to the southwest 5 to 10 mph after midnight. Chance of precipitation 90 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then 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. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows around 40. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SATURDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs around 60. .SATURDAY NIGHT...Mostly clear with a 20 percent chance of thunderstorms. Lows around 40. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 45. Highs 70 to 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 30 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 40 percent. $$ MTZ314-221015- Fergus County below 4500ft- Including Hilger and Lewistown 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows 35 to 40. West winds up to 10 mph shifting to the south after midnight. .THURSDAY...Partly cloudy in the morning, then mostly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 65 to 70. Southeast winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. .THURSDAY NIGHT...Rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows in the mid 40s. Southeast winds 5 to 15 mph. Chance of precipitation 90 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 60. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Northwest winds 5 to 15 mph shifting to the west after midnight. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows 40 to 45. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 45 to 50. Highs 70 to 75. .MONDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Lewistown 34 65 41 58 / 0 30 90 60 $$ MTZ315-221015- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear early in the evening then becoming mostly cloudy. Lows 35 to 40. Northwest winds up to 5 mph shifting to the south after midnight. .THURSDAY...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Southeast winds up to 10 mph. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely 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 60 percent. .FRIDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with 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 clear. A 20 percent chance of rain showers in the evening. Lows 35 to 40. Northwest winds up to 10 mph. .SATURDAY...Sunny with a 30 percent chance of rain showers. Highs 60 to 65. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 40 to 45. Highs 65 to 75. .MEMORIAL DAY...Sunny with a 20 percent chance of thunderstorms. Highs 70 to 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. $$ MTZ316-221015- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy. Lows 35 to 40. West winds up to 5 mph. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. Southeast winds up to 10 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 40. West winds up to 10 mph. Chance of precipitation 70 percent. .FRIDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. Northwest winds up to 10 mph. .SATURDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 70. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 40 to 50. Highs 70 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .TUESDAY...Sunny with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 30 percent. $$ MTZ317-221015- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows 30 to 35. West winds up to 10 mph shifting to the south after midnight. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. Southeast winds 5 to 15 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 35 to 40. Southeast winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 90 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 55. West winds 5 to 15 mph. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 35 to 40. Northwest winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs 55 to 60. .SATURDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Sunny with a 20 percent chance of thunderstorms. Highs 60 to 65. .SUNDAY NIGHT...Mostly clear. Lows 40 to 45. .MEMORIAL DAY...Warmer. Sunny with a 20 percent chance of thunderstorms. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. $$ MTZ318-221015- Snowy and Judith Mountains- 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows in the mid 30s. West winds up to 10 mph shifting to the south after midnight. .THURSDAY...Mostly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 55 to 60. Southeast winds 10 to 20 mph. .THURSDAY NIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 35 to 40. Southeast winds 10 to 15 mph with gusts to around 30 mph shifting to the south 5 to 10 mph after midnight. Chance of precipitation 90 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 55. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows 35 to 40. Northwest winds 5 to 15 mph shifting to the west after midnight. Chance of showers 40 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 55 to 60. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 40. .SUNDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 30 percent. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 40 to 45. Highs 65 to 70. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 30 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. $$ MTZ319-221015- Helena Valley- Including Helena 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy. Lows 35 to 40. Northwest winds up to 5 mph early in the evening becoming light. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. East winds up to 10 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy with rain showers likely and slight chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows around 40. West winds up to 10 mph. Chance of precipitation 60 percent. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 65. West winds up to 10 mph. Chance of precipitation 40 percent. .FRIDAY NIGHT...Mostly clear. Lows around 40. Northwest winds 5 to 10 mph in the evening becoming light. .SATURDAY...Sunny with a 20 percent chance of thunderstorms. Highs around 70. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 40 to 45. Highs around 75. .MEMORIAL DAY...Sunny. Highs around 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .TUESDAY...Sunny with chance of rain showers and slight chance of thunderstorms. Highs around 80. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 80 to 85. Chance of precipitation 30 percent. && TEMPERATURE / PRECIPITATION Helena 39 65 43 68 / 0 60 50 40 $$ MTZ320-221015- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 10 mph shifting to the east after midnight. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. Southeast winds 5 to 15 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy with rain showers likely and chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows 35 to 40. Southeast winds 5 to 10 mph shifting to the west after midnight. Chance of precipitation 70 percent. .FRIDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the northeast after midnight. .SATURDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 55 to 65. .SATURDAY NIGHT AND SUNDAY...Mostly clear. A 20 percent chance of rain showers. Lows around 40. Highs 60 to 70. .SUNDAY NIGHT...Mostly clear. Lows 40 to 45. .MEMORIAL DAY...Sunny with a 20 percent chance of thunderstorms. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. $$ MTZ321-221015- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly clear. Lows 30 to 35. North winds up to 5 mph shifting to the east after midnight. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. Southeast winds up to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy with rain showers likely and chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows 35 to 40. Southeast winds 5 to 15 mph shifting to the west after midnight. Chance of precipitation 70 percent. .FRIDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the northeast after midnight. .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 clear. Lows around 40. .SUNDAY...Sunny with a 20 percent chance of thunderstorms. Highs 65 to 70. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 40. Highs 70 to 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. $$ MTZ322-221015- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Lows 30 to 40. Northwest winds up to 10 mph shifting to the southeast after midnight. .THURSDAY...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Southeast winds up to 10 mph. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy with rain showers likely and chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows 30 to 40. West winds up to 10 mph. Chance of precipitation 60 percent. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 60. West winds up to 10 mph. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 35 to 40. Northwest winds up to 10 mph. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 35 to 45. Highs 60 to 70. .MEMORIAL DAY...Sunny. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 30 percent. $$ MTZ323-221015- Canyon Ferry Area- Including Toston, Townsend, and Winston 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy. Lows 35 to 40. Northeast winds up to 10 mph. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Southeast winds up to 10 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy with rain showers likely and chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows around 40. North winds 5 to 10 mph shifting to the west after midnight. Chance of precipitation 70 percent. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 10 mph. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 40 to 45. North winds up to 10 mph. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 40 to 50. Highs 70 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 30 percent. $$ MTZ324-221015- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Lows 35 to 40. North winds up to 10 mph. .THURSDAY...Mostly cloudy. A 50 percent chance of thunderstorms in the afternoon. Highs 60 to 65. East winds up to 10 mph. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the west after midnight. .FRIDAY...Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. Northwest winds up to 10 mph. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. $$ MTZ325-221015- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Lows 35 to 40. North winds 5 to 10 mph shifting to the southeast after midnight. .THURSDAY...Mostly cloudy. A 50 percent chance of thunderstorms in the afternoon. Highs in the mid 60s. South winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 35 to 40. West winds 5 to 15 mph. .FRIDAY...Sunny in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 65. West winds up to 10 mph. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows around 40. North winds 5 to 10 mph shifting to the northeast after midnight. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs around 65. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 40 to 45. Highs around 70. .MEMORIAL DAY...Sunny. Highs around 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 30 percent. $$ MTZ326-221015- Gallatin Valley- Including Bozeman and Gallatin Gateway 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Lows 35 to 40. Northeast winds up to 5 mph shifting to the southeast after midnight. .THURSDAY...Mostly cloudy. A 50 percent chance of thunderstorms in the afternoon. Highs in the mid 60s. East winds up to 10 mph. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 65. West winds up to 10 mph. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. Northwest winds up to 10 mph shifting to the east after midnight. .SATURDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs around 65. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 40 to 45. Highs around 70. .MEMORIAL DAY...Sunny. Highs around 75. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 30 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 35 68 38 65 / 0 50 60 30 Bozeman MSU 37 65 38 64 / 0 50 60 30 $$ MTZ330-221015- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Lows 30 to 35. South winds up to 10 mph. .THURSDAY...Mostly cloudy. A 50 percent chance of thunderstorms in the afternoon. Highs 50 to 60. South winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then mostly clear after midnight. Lows 30 to 35. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .FRIDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 60. West winds 5 to 15 mph. Chance of precipitation 40 percent. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers and snow showers in the evening, then partly cloudy after midnight. Lows 30 to 40. Northwest winds 5 to 10 mph shifting to the northeast after midnight. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 50 to 60. .SATURDAY NIGHT...Mostly clear with a 20 percent chance of rain showers. Lows 30 to 40. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 55 to 65. Lows 35 to 40. .MEMORIAL DAY...Sunny with a 20 percent chance of thunderstorms. Highs 60 to 70. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 40 percent. .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 65 to 75. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 28 64 29 62 / 0 40 40 20 $$ MTZ327-221015- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly cloudy. Lows 30 to 35. Northwest winds up to 10 mph shifting to the southeast after midnight. .THURSDAY...Mostly cloudy. Slight chance of rain showers and snow showers in the morning, then chance of thunderstorms in the afternoon. Highs 50 to 60. South winds 5 to 15 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms and snow showers in the evening, then partly cloudy after midnight. Lows 30 to 35. West winds up to 10 mph. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a 40 percent chance of rain showers in the afternoon. Highs 50 to 60. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 30 to 35. North winds up to 10 mph. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 55 to 65. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 35 to 40. Highs 60 to 70. .MEMORIAL DAY...Sunny with a 20 percent chance of thunderstorms. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows 40 to 45. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. $$ MTZ328-221015- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Lows 35 to 40. Northeast winds up to 10 mph. .THURSDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs 60 to 65. East winds up to 10 mph shifting to the south in the afternoon. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then mostly clear after midnight. Lows 35 to 40. West winds 5 to 15 mph. .FRIDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 60 to 65. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. North winds up to 10 mph. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 70. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows around 40. Highs 70 to 75. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 45. Highs 70 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 80. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Dillon 37 64 35 65 / 0 60 30 20 $$ MTZ329-221015- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 852 PM MDT Wed May 21 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the mid 30s. South winds up to 10 mph. .THURSDAY...Breezy. Mostly cloudy. A 50 percent chance of thunderstorms in the afternoon. Highs 55 to 65. Southeast winds 5 to 15 mph increasing to south 15 to 25 mph in the afternoon. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly clear after midnight. Lows 30 to 35. West winds 10 to 15 mph with gusts to around 30 mph decreasing to up to 10 mph after midnight. .FRIDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 55 to 60. West winds up to 5 mph increasing to 5 to 15 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 35 to 40. Northwest winds 5 to 15 mph shifting to the north after midnight. .SATURDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 55 to 65. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 35 to 45. Highs 60 to 70. .MEMORIAL DAY...Sunny with a 20 percent chance of rain showers. Highs 65 to 70. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 75. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls