


Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
408 FPUS55 KTFX 312001 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 200 PM MDT Sun Aug 31 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Labor Day, Monday night, and Tuesday. MTZ301-011000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Haze through the night. Lows in the mid 50s. West winds up to 10 mph shifting to the south after midnight. .LABOR DAY...Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 85. Southeast winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. Southeast winds up to 10 mph shifting to the southwest after midnight. .TUESDAY...Sunny. Highs 70 to 80. Northwest winds up to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows around 50. Northeast winds up to 10 mph. .WEDNESDAY...Sunny. Highs 70 to 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 65 to 75. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. Highs 65 to 75. $$ MTZ307-011000- Southern Rocky Mountain Front- Including Rogers Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Haze. Lows 50 to 60. North winds up to 5 mph shifting to the southeast after midnight. .LABOR DAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Haze through the day. Highs 70 to 80. Southeast winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. A 40 percent chance of rain showers in the evening. Lows 50 to 60. East winds up to 10 mph shifting to the southwest after midnight. .TUESDAY...Sunny. Highs 70 to 80. West winds up to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows 45 to 55. Northeast winds up to 10 mph. .WEDNESDAY...Sunny. Highs 70 to 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 55. .SUNDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs 60 to 70. $$ MTZ302-011000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 55. North winds up to 10 mph shifting to the west after midnight. .LABOR DAY...Partly cloudy. A 20 percent chance of rain showers in the afternoon. Haze in the afternoon. Highs in the mid 80s. South winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Haze in the evening. Lows 50 to 55. South winds up to 10 mph shifting to the west after midnight. .TUESDAY...Sunny. Highs 80 to 85. North winds 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows around 50. Northeast winds up to 10 mph. .WEDNESDAY...Sunny. Highs around 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 80. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 80. .SATURDAY NIGHT...Mostly cloudy. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. $$ MTZ308-011000- Southern High Plains- Including Bynum, Choteau, and Pendroy 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze through the night. Lows 55 to 60. Northwest winds up to 5 mph. .LABOR DAY...Sunny in the morning then becoming partly cloudy. Haze. Highs 85 to 90. Northwest winds up to 5 mph shifting to the southeast in the afternoon. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Haze in the evening. Lows in the mid 50s. East winds up to 10 mph shifting to the west after midnight. .TUESDAY...Sunny. Highs around 85. Northwest winds up to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. North winds up to 10 mph. .WEDNESDAY...Sunny. Highs around 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 55. Highs around 80. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 75 to 80. Lows around 50. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. Highs 75 to 80. $$ MTZ303-011000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze in the evening. Lows 50 to 55. Northeast winds up to 10 mph shifting to the northwest after midnight. .LABOR DAY...Sunny. Highs 85 to 90. Southeast winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. Southeast winds 5 to 10 mph shifting to the southwest after midnight. .TUESDAY...Sunny in the morning then becoming partly cloudy. Highs 80 to 85. North winds 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds 5 to 15 mph. .WEDNESDAY...Sunny. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 75 to 80. Lows 45 to 50. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 45 to 50. Highs around 80. .SATURDAY NIGHT...Mostly cloudy. Lows around 50. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Cut Bank 51 87 52 83 / 0 10 20 0 $$ MTZ304-011000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze in the evening. Lows 55 to 60. Northeast winds up to 10 mph. .LABOR DAY...Sunny. Highs 85 to 90. East winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 55 to 60. Southeast winds up to 10 mph. .TUESDAY...Sunny in the morning then becoming partly cloudy. Highs 80 to 85. North winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds 5 to 15 mph. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 75 to 85. Lows 45 to 50. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 50. Highs around 80. .SATURDAY NIGHT...Mostly cloudy. Lows 50 to 55. .SUNDAY...Partly cloudy. Highs 75 to 80. $$ MTZ305-011000- Hill County- Including Havre 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Lows 50 to 55. North winds up to 10 mph. .LABOR DAY...Sunny. Highs in the mid 80s. North winds up to 5 mph shifting to the east in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds up to 10 mph. .TUESDAY...Partly cloudy. Highs 80 to 85. Northeast winds up to 10 mph. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows around 50. Northeast winds 5 to 15 mph. .WEDNESDAY...Sunny. Highs around 75. .WEDNESDAY NIGHT...Mostly cloudy. Lows around 50. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 80. Lows around 45. .FRIDAY...Sunny. Highs 70 to 75. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 45. Highs 75 to 80. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 50. Highs around 80. && TEMPERATURE / PRECIPITATION Havre 55 87 55 83 / 0 0 10 10 $$ MTZ306-011000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Lows 50 to 55. Northwest winds up to 10 mph. .LABOR DAY...Sunny. Highs in the mid 80s. North winds up to 5 mph. .MONDAY NIGHT...Partly cloudy. Haze and areas of smoke after midnight. Lows in the mid 50s. East winds up to 10 mph. .TUESDAY...Partly cloudy with a 20 percent chance of rain showers in the morning, then mostly cloudy in the afternoon. Highs 75 to 80. East winds 5 to 10 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT...Cooler. Mostly cloudy in the evening then becoming partly cloudy. Lows 45 to 50. Northeast winds 5 to 15 mph. .WEDNESDAY...Sunny. Highs around 70. .WEDNESDAY NIGHT...Mostly cloudy. Lows around 45. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 40 to 45. .FRIDAY...Sunny. Highs 70 to 75. .FRIDAY NIGHT...Partly cloudy. Lows around 45. .SATURDAY...Sunny. Highs 75 to 80. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 80. $$ MTZ309-011000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze through the night. Lows 50 to 55. North winds up to 5 mph. .LABOR DAY...Sunny in the morning then becoming partly cloudy. Haze in the afternoon. Highs around 90. North winds up to 5 mph shifting to the east in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southeast winds up to 10 mph. .TUESDAY...Sunny. Highs around 85. Northwest winds up to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows around 50. Northeast winds up to 10 mph. .WEDNESDAY...Sunny. Highs around 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 80 to 85. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 45 to 50. Highs 75 to 80. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 45 to 50. Highs 80 to 85. .SATURDAY NIGHT...Mostly cloudy. Lows around 50. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs around 80. $$ MTZ310-011000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 55 to 60. Northeast winds up to 10 mph shifting to the southeast after midnight. .LABOR DAY...Sunny, haze. Highs around 90. Southeast winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 55 to 60. Southeast winds up to 10 mph. .TUESDAY...Sunny. Highs around 85. Southwest winds up to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows around 55. Northeast winds up to 10 mph. .WEDNESDAY...Sunny. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 75 to 80. Lows around 50. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 50. Highs 80 to 85. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 50 to 55. Highs around 80. $$ MTZ311-011000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 55 to 60. Northwest winds up to 5 mph. .LABOR DAY...Sunny. Highs 80 to 90. North winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Haze after midnight. Lows 55 to 60. East winds up to 10 mph. .TUESDAY...Partly cloudy. Highs 80 to 85. South winds up to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 50 to 55. Northeast winds 5 to 15 mph. .WEDNESDAY...Sunny. Highs 70 to 75. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 45 to 50. .FRIDAY...Sunny. Highs 70 to 75. .FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows 45 to 55. Highs 75 to 80. $$ MTZ312-011000- Cascade County below 5000ft- Including Great Falls 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 55 to 60. East winds up to 10 mph shifting to the south after midnight. .LABOR DAY...Sunny. Haze through the day. A 20 percent chance of rain showers in the afternoon. Highs 85 to 90. Southwest winds up to 5 mph shifting to the east in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 55 to 60. East winds 5 to 10 mph shifting to the south after midnight. .TUESDAY...Sunny. Highs 85 to 90. Southwest winds up to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows around 55. Northeast winds up to 10 mph. .WEDNESDAY...Sunny. Highs 80 to 85. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 55. Highs 80 to 85. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows around 50. Highs 75 to 80. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 50. Highs 80 to 85. .SATURDAY NIGHT...Mostly cloudy. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 80 to 85. && TEMPERATURE / PRECIPITATION Great Falls Arpt 55 89 55 88 / 0 10 10 0 $$ MTZ313-011000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 200 PM MDT Sun Aug 31 2025 .TONIGHT...Mostly clear. Haze. Lows 55 to 60. Northeast winds up to 10 mph shifting to the southwest after midnight. .LABOR DAY...Sunny. Haze through the day. Highs in the mid 80s. West winds up to 10 mph shifting to the east in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 55 to 60. Southeast winds up to 10 mph shifting to the south after midnight. .TUESDAY...Sunny. Highs around 85. Southwest winds 5 to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. North winds 5 to 15 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 75 to 80. Lows 50 to 55. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 45 to 50. Highs around 75. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 80. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs 75 to 80. $$ MTZ314-011000- Fergus County below 4500ft- Including Hilger and Lewistown 200 PM MDT Sun Aug 31 2025 .TONIGHT...Mostly clear. Haze. Lows 55 to 60. Northwest winds up to 10 mph shifting to the southwest after midnight. .LABOR DAY...Sunny. Haze in the morning. Highs 85 to 90. West winds up to 5 mph shifting to the northeast in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 55 to 60. East winds up to 10 mph shifting to the south after midnight. .TUESDAY...Partly cloudy in the morning then becoming sunny. Highs around 85. South winds up to 10 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds up to 10 mph. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 80. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows around 50. Highs around 75. .FRIDAY NIGHT...Partly cloudy. Lows around 50. .SATURDAY...Sunny. Highs 75 to 80. .SATURDAY NIGHT...Partly cloudy. Lows 50 to 55. .SUNDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 80. && TEMPERATURE / PRECIPITATION Lewistown 55 84 54 83 / 0 0 10 10 $$ MTZ315-011000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze through the night. Lows 55 to 60. East winds up to 5 mph. .LABOR DAY...Sunny. Haze through the day. Highs 75 to 85. East winds up to 5 mph. .MONDAY NIGHT...Partly cloudy. Haze in the evening. Lows 55 to 60. Northeast winds up to 10 mph shifting to the southeast after midnight. .TUESDAY...Sunny. Highs 75 to 85. Southwest winds up to 5 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 70 to 80. Lows 45 to 55. .FRIDAY NIGHT...Partly cloudy. Lows 45 to 55. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 80. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 75. $$ MTZ316-011000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 55 to 60. Northeast winds up to 5 mph shifting to the northwest after midnight. .LABOR DAY...Sunny. Haze through the day. Highs 85 to 90. Southwest winds up to 5 mph shifting to the east in the afternoon. .MONDAY NIGHT...Partly cloudy. Haze in the evening. Lows 55 to 60. Northeast winds up to 10 mph shifting to the southwest after midnight. .TUESDAY...Sunny. Highs 80 to 90. Southwest winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows around 55. North winds 5 to 15 mph. .WEDNESDAY...Sunny. Highs 80 to 85. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 55. Highs 75 to 85. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 50 to 55. Highs 75 to 80. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 85. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. Highs 75 to 80. $$ MTZ317-011000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 60. Northeast winds up to 10 mph shifting to the south after midnight. .LABOR DAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Haze through the day. Highs 75 to 85. East winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 50 to 60. Southeast winds up to 10 mph. .TUESDAY...Sunny. Highs 75 to 80. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds up to 10 mph. .WEDNESDAY...Sunny. Highs 70 to 75. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 75. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 45 to 50. Highs 65 to 75. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 75. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs 65 to 75. $$ MTZ318-011000- Snowy and Judith Mountains- 200 PM MDT Sun Aug 31 2025 .TONIGHT...Mostly clear. Haze. Lows 55 to 60. North winds up to 10 mph shifting to the southwest after midnight. .LABOR DAY...Sunny. Haze through the day. A 20 percent chance of rain showers in the afternoon. Highs 75 to 80. Northwest winds up to 10 mph shifting to the northeast in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 55 to 60. Southeast winds up to 10 mph. .TUESDAY...Sunny. Highs 75 to 80. South winds up to 10 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows around 50. Northeast winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Highs 65 to 70. .WEDNESDAY NIGHT...Mostly cloudy. Lows 45 to 55. .THURSDAY...Partly cloudy. Highs 70 to 75. .THURSDAY NIGHT...Mostly clear. Lows 45 to 50. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 65 to 75. Lows 45 to 50. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. $$ MTZ319-011000- Helena Valley- Including Helena 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze through the night. Lows in the mid 50s. Southeast winds up to 5 mph shifting to the west after midnight. .LABOR DAY...Sunny. Haze through the day. Highs around 90. South winds up to 5 mph shifting to the east in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds up to 5 mph shifting to the southeast after midnight. .TUESDAY...Sunny. Highs around 90. South winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows around 55. North winds up to 10 mph. .WEDNESDAY THROUGH FRIDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .FRIDAY NIGHT...Partly cloudy. Lows 50 to 55. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 80 to 85. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs around 80. && TEMPERATURE / PRECIPITATION Helena 57 90 57 90 / 0 0 0 0 $$ MTZ320-011000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 55 to 60. Northeast winds up to 10 mph shifting to the east after midnight. .LABOR DAY...Sunny. Haze in the morning. Highs 75 to 85. East winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds up to 10 mph. .TUESDAY...Sunny. Highs 75 to 85. South winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds 5 to 15 mph. .WEDNESDAY...Sunny. Highs 70 to 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 45 to 50. Highs 65 to 75. .FRIDAY NIGHT...Partly cloudy. Lows 45 to 50. .SATURDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 80. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 75. $$ MTZ321-011000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 55. Northeast winds up to 10 mph. .LABOR DAY...Sunny. Haze in the morning. Highs 80 to 85. East winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 50 to 55. East winds up to 10 mph. .TUESDAY...Sunny. Highs 80 to 85. South winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 80. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows around 45. Highs around 75. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 45. Highs 75 to 80. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .SUNDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs around 75. $$ MTZ322-011000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 60. Southeast winds up to 10 mph. .LABOR DAY...Sunny in the morning then becoming partly cloudy. Haze in the morning. Highs 75 to 85. Southeast winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 50 to 55. East winds up to 10 mph. .TUESDAY...Sunny. Highs 75 to 85. Southwest winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 70 to 80. Lows 50 to 55. .THURSDAY NIGHT...Partly cloudy. Lows 45 to 50. .FRIDAY...Sunny. Highs 70 to 75. .FRIDAY NIGHT...Partly cloudy. Lows 45 to 55. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 80. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 75. $$ MTZ323-011000- Canyon Ferry Area- Including Toston, Townsend, and Winston 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 60. Northeast winds up to 5 mph shifting to the southeast after midnight. .LABOR DAY...Sunny. Haze in the morning. Highs 85 to 90. South winds up to 5 mph shifting to the east in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 55 to 60. East winds up to 10 mph. .TUESDAY...Sunny. Highs 85 to 90. Southeast winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 60. North winds 5 to 10 mph. .WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 80 to 85. Lows 50 to 60. .FRIDAY...Sunny. Highs 75 to 80. .FRIDAY NIGHT...Partly cloudy. Lows 50 to 55. .SATURDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 80. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 75 to 80. $$ MTZ324-011000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 55. East winds up to 5 mph shifting to the west after midnight. .LABOR DAY...Sunny. Haze in the morning. Highs 85 to 90. Southwest winds up to 5 mph shifting to the east in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds up to 5 mph shifting to the north after midnight. .TUESDAY...Sunny. Highs 85 to 90. Southwest winds up to 5 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .THURSDAY NIGHT...Partly cloudy. Lows around 50. .FRIDAY...Sunny. Highs 75 to 80. .FRIDAY NIGHT...Partly cloudy. Lows around 50. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 80. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. $$ MTZ325-011000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 55. Northeast winds 5 to 10 mph shifting to the south after midnight. .LABOR DAY...Sunny in the morning then becoming partly cloudy. Highs 80 to 85. South winds up to 5 mph shifting to the northeast in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds 5 to 10 mph shifting to the south after midnight. .TUESDAY...Sunny. Highs 80 to 85. South winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds 5 to 15 mph shifting to the southeast after midnight. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .THURSDAY NIGHT...Partly cloudy. Lows around 50. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. .FRIDAY NIGHT...Partly cloudy. Lows around 50. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 50 percent. $$ MTZ326-011000- Gallatin Valley- Including Bozeman and Gallatin Gateway 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze in the evening. Lows 50 to 55. Southeast winds up to 10 mph. .LABOR DAY...Sunny. Haze in the morning. Highs 85 to 90. Southeast winds up to 5 mph shifting to the northeast in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 50 to 55. East winds 5 to 10 mph. .TUESDAY...Sunny. Highs 85 to 90. South winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to 10 mph shifting to the southeast after midnight. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows around 50. Highs around 80. .FRIDAY NIGHT...Partly cloudy. Lows around 50. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 80. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 51 89 51 88 / 0 0 0 0 Bozeman MSU 54 85 54 85 / 0 0 0 0 $$ MTZ330-011000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 45 to 55. East winds up to 10 mph. .LABOR DAY...Sunny in the morning then becoming partly cloudy. Haze in the afternoon. Highs 70 to 80. Southeast winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 45 to 55. East winds up to 10 mph. .TUESDAY...Sunny. Highs 70 to 80. South winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 45 to 55. Northeast winds up to 10 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 45 to 55. .THURSDAY...Sunny. Highs 65 to 75. .THURSDAY NIGHT...Partly cloudy. Lows 45 to 50. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 75. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 37 80 39 80 / 0 0 0 0 $$ MTZ327-011000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 45 to 55. Southeast winds up to 10 mph. .LABOR DAY...Sunny in the morning then becoming partly cloudy. Haze. Highs 70 to 80. Southeast winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 45 to 55. East winds up to 10 mph. .TUESDAY...Sunny. Highs 70 to 80. South winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 45 to 55. Northeast winds up to 10 mph. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 70 to 80. Lows 45 to 55. .THURSDAY NIGHT...Partly cloudy. Lows 45 to 50. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 75. .FRIDAY NIGHT...Partly cloudy. Lows 45 to 50. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 30 percent. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 45 to 50. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 50 percent. $$ MTZ328-011000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 55. Southeast winds up to 10 mph. .LABOR DAY...Sunny in the morning then becoming partly cloudy. Haze. Highs 80 to 85. South winds up to 5 mph shifting to the east in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds up to 10 mph shifting to the south after midnight. .TUESDAY...Sunny. Highs 80 to 85. Southwest winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds up to 10 mph. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .THURSDAY NIGHT...Partly cloudy. Lows around 50. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. .FRIDAY NIGHT...Partly cloudy. Lows 45 to 50. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 50. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Dillon 47 83 49 85 / 0 0 0 0 $$ MTZ329-011000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 200 PM MDT Sun Aug 31 2025 .TONIGHT...Partly cloudy. Haze. Lows 50 to 55. Southeast winds up to 10 mph. .LABOR DAY...Sunny in the morning then becoming partly cloudy. Haze. Highs 70 to 80. Southeast winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Haze in the evening. Lows 50 to 55. Southeast winds up to 10 mph. .TUESDAY...Sunny. Highs 70 to 80. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to 10 mph shifting to the east after midnight. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 70 to 80. Lows 50 to 55. .THURSDAY NIGHT...Partly cloudy. Lows 45 to 50. .FRIDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 45 to 50. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls