


Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
339 FPUS55 KTFX 090023 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 622 PM MDT Fri Aug 8 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Saturday, Saturday night, and Sunday. MTZ301-091000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 45 to 50. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 50 percent. .SATURDAY...Warmer. Partly cloudy in the morning, then mostly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 60 to 70. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 45 to 50. West winds 5 to 15 mph. .SUNDAY...Sunny. Highs 65 to 75. West winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. West winds 5 to 15 mph. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 65 to 75. Lows 50 to 55. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 65 to 75. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 45 to 50. Highs 60 to 70. .THURSDAY NIGHT...Mostly cloudy. Lows 45 to 50. .FRIDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 55 to 65. $$ MTZ307-091000- Southern Rocky Mountain Front- Including Rogers Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 40 to 50. West winds 5 to 15 mph with gusts to around 35 mph. .SATURDAY...Warmer. Partly cloudy in the morning then becoming mostly cloudy. Highs 60 to 70. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 45 to 50. West winds up to 10 mph. .SUNDAY...Sunny. Highs 65 to 75. West winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. West winds up to 10 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 50 to 55. .TUESDAY...Sunny. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 45 to 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 65 to 75. Lows 45 to 50. .FRIDAY...Partly cloudy. Highs 60 to 70. $$ MTZ302-091000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 50. West winds 10 to 20 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs around 70. Northwest winds 10 to 15 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 50 to 55. West winds 5 to 10 mph. .SUNDAY...Sunny. Highs 75 to 80. West winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. West winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs around 80. Lows 50 to 55. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 70 to 75. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 75. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows around 50. Highs 65 to 70. $$ MTZ308-091000- Southern High Plains- Including Bynum, Choteau, and Pendroy 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly cloudy with a 50 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows around 50. West winds 10 to 20 mph. .SATURDAY...Partly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 70 to 75. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 50 to 55. Northwest winds 5 to 10 mph shifting to the west after midnight. .SUNDAY...Warmer, sunny. Highs 80 to 85. West winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows around 55. West winds 5 to 10 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 55. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 80 to 85. Lows 50 to 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 80. Lows around 50. .FRIDAY...Mostly cloudy. Highs 70 to 75. $$ MTZ303-091000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 50 to 55. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation 50 percent. .SATURDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 70 to 75. Northwest winds 10 to 20 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain showers. Lows 50 to 55. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 75 to 80. Northwest winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows around 55. Northwest winds 5 to 15 mph shifting to the west 5 to 10 mph after midnight. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs around 80. Lows around 55. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs around 75. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs around 75. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows around 50. Highs 70 to 75. && TEMPERATURE / PRECIPITATION Cut Bank 51 73 51 79 / 50 30 20 10 $$ MTZ304-091000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 50 to 55. West winds 15 to 25 mph. Chance of precipitation 50 percent. .SATURDAY...Breezy, sunny. A 20 percent chance of rain showers in the afternoon. Highs 70 to 75. Northwest winds 15 to 25 mph. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Warmer, sunny. Highs 75 to 85. West winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows around 55. Northwest winds 5 to 15 mph shifting to the west after midnight. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 55. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .THURSDAY...Partly cloudy. Highs 75 to 80. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows around 50. Highs 70 to 75. $$ MTZ305-091000- Hill County- Including Havre 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows in the mid 50s. West winds 15 to 25 mph. Chance of precipitation 80 percent. .SATURDAY...Breezy. Mostly cloudy with slight chance of rain showers in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. Northwest winds 15 to 25 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Partly cloudy. Lows 50 to 55. Northwest winds 5 to 15 mph shifting to the southwest up to 5 mph after midnight. .SUNDAY...Warmer, sunny. Highs 80 to 85. West winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows around 55. Northwest winds 5 to 10 mph shifting to the northeast after midnight. .MONDAY...Partly cloudy. Highs around 80. .MONDAY NIGHT...Mostly clear. Lows around 55. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs around 80. Lows around 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 55. .THURSDAY...Partly cloudy. Highs 75 to 80. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 50 to 55. .FRIDAY...Partly cloudy. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Havre 55 75 53 83 / 80 40 10 10 $$ MTZ306-091000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Rain showers and chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows 50 to 55. West winds 15 to 25 mph. Chance of precipitation 90 percent. .SATURDAY...Windy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs around 70. Northwest winds 20 to 30 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly clear. Lows around 50. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .SUNDAY...Sunny. Highs 75 to 80. West winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows around 55. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Highs 75 to 80. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 55. Highs around 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 55. .THURSDAY...Partly cloudy. Highs 75 to 80. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .FRIDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. $$ MTZ309-091000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly cloudy with a 50 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows around 50. West winds 5 to 15 mph. .SATURDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs in the mid 70s. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 50 to 55. Northwest winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 80 to 85. West winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows around 55. North winds 5 to 10 mph shifting to the west after midnight. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs around 85. Lows around 55. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 85. Lows 50 to 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 80. Lows around 50. .FRIDAY...Mostly cloudy. Highs around 75. $$ MTZ310-091000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows in the mid 50s. West winds 15 to 25 mph. Chance of precipitation 50 percent. .SATURDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. Northwest winds 10 to 20 mph. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 80 to 85. West winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 60. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 80 to 85. Lows 55 to 60. .TUESDAY NIGHT...Partly cloudy. Lows 55 to 60. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 85. Lows around 55. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .FRIDAY...Partly cloudy. Highs 75 to 80. $$ MTZ311-091000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows 50 to 55. West winds 15 to 25 mph. Chance of precipitation 80 percent. .SATURDAY...Breezy. Mostly cloudy. Chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs 70 to 75. Northwest winds 15 to 25 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 15 mph. .SUNDAY...Sunny. Highs 75 to 80. West winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 60. West winds up to 10 mph. .MONDAY...Partly cloudy. Highs 75 to 85. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 55 to 60. Highs 75 to 85. .TUESDAY NIGHT...Partly cloudy. Lows 55 to 60. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 80 to 85. Lows 55 to 60. .THURSDAY...Partly cloudy. Highs 75 to 85. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 50 to 55. .FRIDAY...Partly cloudy. Highs 75 to 80. $$ MTZ312-091000- Cascade County below 5000ft- Including Great Falls 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows 50 to 55. West winds 10 to 20 mph. .SATURDAY...Partly cloudy with slight chance of rain showers in the morning, then mostly cloudy with slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Northwest winds 5 to 15 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 50 to 55. Southwest winds up to 10 mph. .SUNDAY...Sunny. Highs 80 to 85. Southwest winds 5 to 10 mph shifting to the west 5 to 15 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 60. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 80 to 85. Lows around 55. .TUESDAY NIGHT...Partly cloudy. Lows 55 to 60. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 85 to 90. Lows around 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows 50 to 55. .FRIDAY...Partly cloudy. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Great Falls Arpt 53 76 53 83 / 30 40 20 0 $$ MTZ313-091000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Mostly cloudy with a 40 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 50 to 55. West winds 15 to 25 mph. .SATURDAY...Breezy. Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 70 to 75. Northwest winds 15 to 25 mph. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 50. West winds 5 to 15 mph. .SUNDAY...Sunny. Highs 75 to 80. Southwest winds 5 to 10 mph shifting to the northwest 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows around 55. Northwest winds 5 to 15 mph shifting to the southwest 5 to 10 mph after midnight. .MONDAY THROUGH TUESDAY...Mostly clear. Highs around 80. Lows around 55. .TUESDAY NIGHT...Partly cloudy. Lows around 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 85. Lows around 55. .THURSDAY...Sunny with a 20 percent chance of thunderstorms. Highs 80 to 85. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 50. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 75. $$ MTZ314-091000- Fergus County below 4500ft- Including Hilger and Lewistown 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows in the mid 50s. West winds 15 to 25 mph. Chance of precipitation 50 percent. .SATURDAY...Windy. Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 70 to 75. Northwest winds 20 to 30 mph. .SATURDAY NIGHT...Mostly clear. A 20 percent chance of rain showers in the evening. Lows 50 to 55. Northwest winds 5 to 15 mph with gusts to around 30 mph shifting to the southwest 5 to 10 mph after midnight. .SUNDAY...Warmer, sunny. Highs 80 to 85. West winds up to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 60. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .MONDAY...Partly cloudy. Highs 80 to 85. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 55 to 60. Highs 80 to 85. .TUESDAY NIGHT...Partly cloudy. Lows 55 to 60. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 85 to 90. Lows 55 to 60. .THURSDAY...Sunny. Highs 80 to 85. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows around 55. .FRIDAY...Partly cloudy. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Lewistown 50 71 49 77 / 50 20 10 10 $$ MTZ315-091000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Partly cloudy. Lows 40 to 50. West winds 5 to 15 mph. Gusts up to 35 mph in the evening. .SATURDAY...Warmer. Partly cloudy. Highs 65 to 75. West winds 5 to 15 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 45 to 55. West winds up to 10 mph. .SUNDAY...Sunny. Highs 70 to 80. West winds 5 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. West winds up to 10 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 50 to 55. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 50 to 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 70 to 80. Lows 45 to 50. .FRIDAY...Partly cloudy. Highs 65 to 75. $$ MTZ316-091000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows around 50. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .SATURDAY...Partly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 70 to 75. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 50 to 55. Northwest winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 75 to 80. West winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 60. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 80 to 85. Lows around 55. .TUESDAY NIGHT...Partly cloudy. Lows around 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows 50 to 55. .FRIDAY...Partly cloudy. Highs 70 to 80. $$ MTZ317-091000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly cloudy. A 50 percent chance of rain showers in the evening. Lows 45 to 50. West winds 10 to 20 mph with gusts to around 35 mph. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 70. Northwest winds 5 to 15 mph. Chance of precipitation 40 percent. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 45 to 55. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny in the morning then becoming partly cloudy. Highs 65 to 75. West winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 70 to 80. Lows 50 to 55. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 50 to 55. .THURSDAY...Sunny with a 20 percent chance of thunderstorms. Highs 70 to 80. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 75. $$ MTZ318-091000- Snowy and Judith Mountains- 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Lows 45 to 50. West winds 15 to 25 mph. Chance of showers 50 percent. .SATURDAY...Breezy. Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 60 to 70. Northwest winds 15 to 25 mph. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 45 to 50. Northwest winds 5 to 15 mph shifting to the southwest 5 to 10 mph after midnight. .SUNDAY...Sunny in the morning then becoming partly cloudy. Highs 70 to 75. West winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .MONDAY...Partly cloudy. Highs 70 to 80. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 50 to 55. Highs 70 to 80. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 50 to 55. .THURSDAY...Sunny with a 20 percent chance of thunderstorms. Highs 75 to 80. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows around 50. .FRIDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. $$ MTZ319-091000- Helena Valley- Including Helena 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Partly cloudy. Lows around 50. West winds 10 to 20 mph with gusts to around 35 mph decreasing to 5 to 10 mph after midnight. .SATURDAY...Partly cloudy. Highs 75 to 80. West winds 5 to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows around 50. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 80 to 85. Southwest winds up to 5 mph shifting to the west 5 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 55. West winds up to 10 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 85 to 90. Lows around 55. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs around 85. Lows around 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 90. Lows around 55. .THURSDAY...Sunny. Highs around 85. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs around 80. && TEMPERATURE / PRECIPITATION Helena 51 78 53 84 / 10 10 10 0 $$ MTZ320-091000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 40s. Northwest winds 10 to 20 mph with gusts to around 35 mph shifting to the west 5 to 10 mph after midnight. .SATURDAY...Partly cloudy. Highs 60 to 70. West winds 5 to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 50. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 65 to 75. Southwest winds up to 10 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 50 to 55. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 75 to 85. Lows 50 to 55. .THURSDAY NIGHT AND FRIDAY...Not as warm. Partly cloudy. Lows around 50. Highs 65 to 75. $$ MTZ321-091000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Breezy. Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 40 to 45. Northwest winds 15 to 25 mph becoming west 5 to 15 mph after midnight. Gusts up to 40 mph. .SATURDAY...Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs around 70. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 40s. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 75 to 80. Southwest winds up to 10 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 45 to 50. Northwest winds 5 to 15 mph shifting to the southwest after midnight. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 50 to 55. Highs 80 to 85. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .FRIDAY...Partly cloudy. Highs around 75. $$ MTZ322-091000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly clear. Lows 40 to 50. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .SATURDAY...Partly cloudy. Highs 60 to 70. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 50. Northwest winds up to 10 mph. .SUNDAY...Sunny. Highs 65 to 75. West winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. West winds up to 10 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 50 to 60. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. Highs 75 to 85. .THURSDAY...Sunny. Highs 70 to 80. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 45 to 55. Highs 65 to 75. $$ MTZ323-091000- Canyon Ferry Area- Including Toston, Townsend, and Winston 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Partly cloudy. Lows 45 to 50. Northwest winds 10 to 20 mph with gusts to around 35 mph becoming west up to 10 mph after midnight. .SATURDAY...Partly cloudy. Highs 70 to 75. West winds up to 10 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 55. North winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs around 80. South winds up to 5 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northwest winds 5 to 15 mph shifting to the southwest up to 5 mph after midnight. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 80 to 85. Lows 55 to 60. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. Highs 85 to 90. .THURSDAY...Sunny. Highs around 85. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 80. $$ MTZ324-091000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly clear. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts to around 30 mph shifting to the southwest after midnight. .SATURDAY...Partly cloudy. Highs in the mid 70s. West winds up to 10 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 45 to 50. North winds up to 10 mph shifting to the west after midnight. .SUNDAY...Sunny. Highs 80 to 85. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to 10 mph shifting to the west after midnight. .MONDAY THROUGH THURSDAY...Mostly clear. Highs 85 to 90. Lows 50 to 55. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 50. Highs 80 to 85. $$ MTZ325-091000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly clear. Lows 40 to 45. Northwest winds 10 to 15 mph shifting to the southwest after midnight. .SATURDAY...Partly cloudy. Highs 70 to 75. South winds up to 10 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 50. North winds 5 to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs around 80. Southwest winds up to 5 mph shifting to the northwest 5 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 45 to 55. North winds 5 to 15 mph shifting to the south after midnight. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 80 to 85. Lows 50 to 55. .TUESDAY...Sunny. Highs 85 to 90. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 85 to 90. Lows 50 to 55. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 50. Highs 80 to 85. $$ MTZ326-091000- Gallatin Valley- Including Bozeman and Gallatin Gateway 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly clear. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts to around 30 mph shifting to the southwest 5 to 10 mph after midnight. .SATURDAY...Partly cloudy. Highs in the mid 70s. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 50. North winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs around 80. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to 10 mph shifting to the south after midnight. .MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 85 to 90. Lows around 55. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 85 to 90. Lows around 55. .THURSDAY NIGHT AND FRIDAY...Not as warm. Partly cloudy. Lows around 50. Highs around 80. && TEMPERATURE / PRECIPITATION Bozeman Airport 44 77 47 83 / 10 10 10 0 Bozeman MSU 46 73 48 79 / 10 10 10 0 $$ MTZ330-091000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly clear. Lows 35 to 45. Northwest winds 10 to 15 mph with gusts to around 30 mph shifting to the west after midnight. .SATURDAY...Partly cloudy. Highs 60 to 70. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows 40 to 45. North winds up to 10 mph. .SUNDAY...Sunny. Highs 65 to 75. West winds up to 5 mph shifting to the northwest 5 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Northwest winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 45 to 55. .TUESDAY...Sunny. Highs 70 to 80. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 75 to 85. .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 55. .THURSDAY...Sunny with a 20 percent chance of thunderstorms. Highs 70 to 80. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75. && TEMPERATURE / PRECIPITATION West Yellowstone 33 70 34 77 / 0 10 10 10 $$ MTZ327-091000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly clear. Lows 35 to 40. Northwest winds 10 to 15 mph shifting to the west after midnight. .SATURDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 60 to 70. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows 40 to 45. Northwest winds up to 10 mph. .SUNDAY...Sunny. Highs 65 to 75. West winds up to 5 mph shifting to the northwest 5 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 40 to 50. Northwest winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. Highs 75 to 85. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 70 to 80. Lows 40 to 45. .FRIDAY...Partly cloudy. Highs 65 to 75. $$ MTZ328-091000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly clear. Lows 40 to 45. Northwest winds 10 to 15 mph shifting to the west 5 to 10 mph after midnight. .SATURDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 70 to 75. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. North winds 5 to 10 mph shifting to the west after midnight. .SUNDAY...Sunny. Highs 75 to 80. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. North winds 5 to 15 mph shifting to the west after midnight. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 80 to 85. Lows 50 to 55. .TUESDAY...Sunny. Highs 85 to 90. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 85 to 90. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 50 to 55. Highs 80 to 85. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Dillon 40 73 43 80 / 0 10 0 0 $$ MTZ329-091000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 622 PM MDT Fri Aug 8 2025 .REST OF TONIGHT...Mostly clear. Lows 40 to 45. Northwest winds 10 to 15 mph decreasing to up to 10 mph after midnight. .SATURDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 60 to 70. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows 40 to 45. Northwest winds 5 to 15 mph. .SUNDAY...Sunny. Highs 70 to 75. Northwest winds 5 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Northwest winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 50 to 55. .TUESDAY...Sunny. Highs 75 to 85. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Sunny. Highs 75 to 85. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 50 to 55. Highs 75 to 80. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 75. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls