Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
172 FPUS55 KTFX 212002 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 202 PM MDT Fri Jun 21 2024 Spot temperatures and probabilities of measurable precipitation are for tonight, Saturday, Saturday night, and Sunday. MTZ301-221000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows in the mid 40s. Northeast winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 65 to 75. Southwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 50 to 55. Southwest winds 5 to 10 mph. .SUNDAY...Windy, sunny. Highs 65 to 75. Southwest winds 5 to 15 mph increasing to 20 to 30 mph with gusts to around 45 mph in the afternoon. .SUNDAY NIGHT...Windy. Mostly clear. Lows 45 to 50. Southwest winds 20 to 30 mph with gusts to around 50 mph. .MONDAY AND MONDAY NIGHT...Breezy, cooler. Mostly clear. Highs 55 to 65. Lows 40 to 45. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 60 to 70. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 65 to 75. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Lows 40 to 45. Chance of precipitation 50 percent. .FRIDAY...Breezy. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 50 percent. $$ MTZ307-221000- Southern Rocky Mountain Front- Including Rogers Pass 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows in the mid 40s. West winds up to 10 mph. .SATURDAY...Partly cloudy. Highs 65 to 75. West winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 50 to 55. Southwest winds up to 10 mph. .SUNDAY...Sunny. Highs 70 to 80. Southwest winds 5 to 10 mph increasing to 10 to 20 mph with gusts to around 35 mph in the afternoon. .SUNDAY NIGHT...Breezy. Mostly clear. Lows 45 to 50. West winds 15 to 25 mph with gusts to around 40 mph. .MONDAY...Sunny. Highs 60 to 70. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows 40 to 50. Highs 65 to 75. .WEDNESDAY...Sunny. Highs 70 to 80. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 50 percent. .THURSDAY NIGHT AND FRIDAY...Cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Highs 50 to 60. Chance of precipitation 50 percent. $$ MTZ302-221000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows in the mid 40s. Northeast winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Sunny. Highs 75 to 80. West winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 50 to 55. Southwest winds 5 to 10 mph. .SUNDAY...Windy, sunny. Highs 80 to 85. Southwest winds 5 to 15 mph increasing to 20 to 30 mph in the afternoon. .SUNDAY NIGHT...Windy. Mostly clear. Lows around 50. Southwest winds 20 to 30 mph becoming west 10 to 20 mph after midnight. Gusts up to 45 mph. .MONDAY THROUGH TUESDAY...Breezy. Mostly clear. Highs 70 to 75. Lows around 45. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 50. Highs 75 to 80. .WEDNESDAY NIGHT...Partly cloudy. Lows around 50. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 40 percent. .THURSDAY NIGHT AND FRIDAY...Breezy, cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 50. Highs 60 to 65. Chance of precipitation 50 percent. $$ MTZ308-221000- Southern High Plains- Including Bynum, Choteau, and Pendroy 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows 45 to 50. Northeast winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs around 80. Southwest winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the mid 50s. South winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 85 to 90. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Breezy. Mostly clear. Lows 50 to 55. West winds 15 to 25 mph becoming southwest 5 to 15 mph after midnight. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 75 to 85. Lows 45 to 50. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .THURSDAY NIGHT AND FRIDAY...Cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 50. Highs 65 to 70. Chance of precipitation 50 percent. $$ MTZ303-221000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows in the mid 40s. North winds up to 10 mph shifting to the southwest after midnight. Chance of precipitation 40 percent. .SATURDAY...Sunny. Highs around 80. Southwest winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows around 50. Southwest winds up to 10 mph. .SUNDAY...Breezy, sunny. Highs around 85. Southwest winds 5 to 10 mph increasing to 15 to 25 mph in the afternoon. .SUNDAY NIGHT...Breezy. Mostly clear. Lows around 50. West winds 15 to 25 mph with gusts to around 40 mph decreasing to 5 to 15 mph after midnight. .MONDAY THROUGH TUESDAY NIGHT...Breezy. Mostly clear. Highs 70 to 75. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 80 to 85. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Lows around 50. Chance of precipitation 40 percent. .FRIDAY...Breezy, cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Cut Bank 44 80 50 85 / 30 0 0 0 $$ MTZ304-221000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows 45 to 50. Northeast winds up to 10 mph shifting to the west after midnight. Chance of precipitation 50 percent. .SATURDAY...Sunny. Highs 75 to 80. Southwest winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. South winds up to 10 mph. .SUNDAY...Warmer, sunny. Highs 85 to 90. South winds up to 10 mph shifting to the southwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 10 to 20 mph. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 75 to 85. Lows 50 to 55. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 55. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .THURSDAY NIGHT AND FRIDAY...Cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 65 to 70. Chance of precipitation 50 percent. $$ MTZ305-221000- Hill County- Including Havre 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows around 50. Northeast winds up to 10 mph shifting to the northwest after midnight. .SATURDAY...Sunny. Highs around 80. Southwest winds up to 5 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. South winds up to 10 mph. .SUNDAY...Sunny. Highs around 90. South winds 5 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows around 55. West winds 10 to 15 mph. .MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 50 to 55. .WEDNESDAY...Sunny. Highs around 85. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 55. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 80 to 85. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows around 55. .FRIDAY...Cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Havre 49 82 55 94 / 60 10 0 10 $$ MTZ306-221000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows around 50. East winds 5 to 10 mph shifting to the northwest after midnight. .SATURDAY...Sunny. Highs 75 to 80. West winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southwest winds 5 to 10 mph shifting to the southeast after midnight. .SUNDAY...Warmer. Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 85 to 90. South winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 55. West winds 10 to 15 mph. .MONDAY THROUGH WEDNESDAY...Breezy. Mostly clear. Highs 75 to 85. Lows around 50. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 55. .THURSDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs around 80. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 50 to 55. .FRIDAY...Cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 50 percent. $$ MTZ309-221000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows in the mid 40s. Northeast winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs around 80. Southwest winds up to 5 mph. .SATURDAY NIGHT...Partly cloudy. Lows 50 to 55. South winds up to 10 mph. .SUNDAY...Sunny. Highs around 90. Southwest winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 50. West winds 10 to 20 mph decreasing to 5 to 10 mph after midnight. .MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 45 to 50. .WEDNESDAY...Sunny. Highs around 85. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 80. Chance of precipitation 30 percent. .THURSDAY NIGHT AND FRIDAY...Cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 50. Highs 65 to 70. Chance of precipitation 40 percent. $$ MTZ310-221000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows around 50. East winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs around 80. West winds up to 5 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 55 to 60. Southeast winds up to 10 mph. .SUNDAY...Warmer, sunny. Highs 90 to 95. South winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Not as warm. Mostly clear. Highs 80 to 85. Lows around 50. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 50 to 55. .WEDNESDAY...Warmer, sunny. Highs 85 to 90. .WEDNESDAY NIGHT...Partly cloudy. Lows 55 to 60. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 80 to 85. Chance of precipitation 30 percent. .THURSDAY NIGHT AND FRIDAY...Not as warm. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 55. Highs around 70. Chance of precipitation 50 percent. $$ MTZ311-221000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly cloudy with thunderstorms likely in the evening, then partly cloudy after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows around 50. East winds up to 10 mph shifting to the west after midnight. Chance of thunderstorms 70 percent. .SATURDAY...Sunny. Highs 75 to 80. West winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 55 to 60. Southwest winds up to 10 mph shifting to the southeast after midnight. .SUNDAY...Warmer. Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 85 to 95. South winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 55 to 60. West winds 5 to 15 mph. .MONDAY...Not as warm. Sunny. Highs 75 to 80. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 55 to 60. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 85. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows around 55. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 50 percent. $$ MTZ312-221000- Cascade County below 5000ft- Including Great Falls 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows around 50. Northeast winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 80 to 85. West winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds 5 to 10 mph shifting to the south after midnight. .SUNDAY...Warmer, sunny. Highs 90 to 95. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 55. West winds 10 to 20 mph shifting to the southwest 5 to 10 mph after midnight. .MONDAY AND MONDAY NIGHT...Not as warm. Mostly clear. Highs 80 to 85. Lows 45 to 50. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. Highs 85 to 90. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 80 to 85. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Chance of precipitation 40 percent. .FRIDAY...Cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Great Falls Arpt 49 82 55 92 / 30 0 0 0 $$ MTZ313-221000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows around 50. East winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Partly cloudy. Highs 75 to 80. West winds up to 5 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the mid 50s. East winds up to 10 mph shifting to the south after midnight. .SUNDAY...Warmer, sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 90. Southwest winds 5 to 15 mph. .SUNDAY NIGHT...Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows around 55. West winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Not as warm. Mostly clear. Highs around 80. Lows 45 to 50. .TUESDAY...Sunny. Highs around 75. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. Highs around 85. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs around 80. .THURSDAY NIGHT AND FRIDAY...Not as warm. Mostly cloudy with a 50 percent chance of thunderstorms. Lows around 50. Highs around 70. $$ MTZ314-221000- Fergus County below 4500ft- Including Hilger and Lewistown 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows 50 to 55. Southeast winds up to 10 mph shifting to the west after midnight. .SATURDAY...Partly cloudy in the morning then clearing. Highs 75 to 80. Northwest winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 55 to 60. Northeast winds up to 5 mph shifting to the south after midnight. .SUNDAY...Warmer, sunny. A 20 percent chance of rain showers in the afternoon. Highs 90 to 95. South winds 5 to 15 mph. .SUNDAY NIGHT...Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows 55 to 60. West winds 5 to 15 mph. .MONDAY...Sunny. Highs 80 to 85. .MONDAY NIGHT...Mostly clear. Lows 50 to 55. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 50 to 60. Highs around 85. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 80 to 85. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows around 55. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Lewistown 48 77 54 90 / 50 10 0 20 $$ MTZ315-221000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows 45 to 50. Northwest winds up to 10 mph. .SATURDAY...Partly cloudy. Highs 70 to 80. West winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 75 to 85. Southwest winds up to 10 mph shifting to the west with gusts to around 30 mph in the afternoon. .SUNDAY NIGHT...Cooler. Mostly clear. Lows 45 to 55. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY THROUGH TUESDAY...Clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. Highs 75 to 85. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Chance of precipitation 40 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 50 percent. $$ MTZ316-221000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly clear. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows around 50. North winds up to 10 mph shifting to the northwest after midnight. .SATURDAY...Partly cloudy. Highs 75 to 85. Southwest winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows 55 to 60. Northwest winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 85 to 90. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 55. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY AND MONDAY NIGHT...Not as warm. Mostly clear. Highs 75 to 80. Lows 45 to 50. .TUESDAY AND TUESDAY NIGHT...Clear. Highs 80 to 85. Lows 50 to 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 80 to 90. Lows around 55. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 85. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 50. Chance of precipitation 40 percent. .FRIDAY...Cooler. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. $$ MTZ317-221000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 50 percent chance of thunderstorms in the evening. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows 45 to 50. Northeast winds up to 5 mph shifting to the southwest after midnight. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 70 to 75. West winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 50 to 55. North winds up to 10 mph shifting to the south after midnight. .SUNDAY...Warmer, sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 80 to 85. Southwest winds 5 to 15 mph. .SUNDAY NIGHT...Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows 50 to 55. West winds 5 to 15 mph. .MONDAY...Sunny. Highs 70 to 75. .MONDAY NIGHT AND TUESDAY...Clear. Lows 45 to 50. Highs 70 to 75. .TUESDAY NIGHT...Mostly clear. Lows 45 to 55. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT...Mostly clear with a 20 percent chance of thunderstorms. Lows 50 to 55. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 75. .THURSDAY NIGHT AND FRIDAY...Cooler. Mostly cloudy with a 50 percent chance of thunderstorms. Lows 45 to 50. Highs 60 to 65. $$ MTZ318-221000- Snowy and Judith Mountains- 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly cloudy with thunderstorms likely in the evening, then partly cloudy after midnight. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows 45 to 50. Southeast winds up to 10 mph shifting to the southwest after midnight. Chance of thunderstorms 70 percent. .SATURDAY...Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 70 to 75. Northwest winds up to 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 50 to 55. Northeast winds 5 to 10 mph shifting to the south after midnight. .SUNDAY...Warmer. Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 80 to 85. South winds 5 to 15 mph. .SUNDAY NIGHT...Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows 50 to 55. West winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Not as warm. Mostly clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY AND TUESDAY NIGHT...Clear. Highs 70 to 75. Lows around 50. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 50 to 55. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 80. .THURSDAY NIGHT AND FRIDAY...Cooler. Mostly cloudy with a 50 percent chance of thunderstorms. Lows around 50. Highs 60 to 65. $$ MTZ319-221000- Helena Valley- Including Helena 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows around 50. Northwest winds up to 10 mph. .SATURDAY...Partly cloudy. Highs in the mid 80s. Southeast winds up to 5 mph shifting to the west in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs around 95. Southeast winds 5 to 10 mph shifting to the southwest 5 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 55. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY THROUGH TUESDAY NIGHT...Clear. Highs around 85. Lows 50 to 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 90. Lows around 55. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 85. .THURSDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Lows 50 to 55. .FRIDAY...Not as warm. Mostly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 75. && TEMPERATURE / PRECIPITATION Helena 53 87 57 96 / 10 0 0 10 $$ MTZ320-221000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly clear. A 20 percent chance of thunderstorms in the evening. Some thunderstorms may produce damaging winds, large hail, and heavy rainfall in the evening. Lows 45 to 50. North winds 5 to 10 mph shifting to the west after midnight. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 70 to 80. West winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to 10 mph shifting to the southeast after midnight. .SUNDAY...Warmer, sunny. Highs 80 to 90. South winds 5 to 10 mph shifting to the southwest 10 to 15 mph with gusts to around 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 10 to 15 mph decreasing to up to 10 mph after midnight. .MONDAY AND MONDAY NIGHT...Not as warm. Mostly clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Sunny. Highs 75 to 85. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 80. .THURSDAY NIGHT AND FRIDAY...Cooler. Mostly cloudy with a 50 percent chance of thunderstorms. Lows 45 to 50. Highs 60 to 70. $$ MTZ321-221000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 202 PM MDT Fri Jun 21 2024 ...SEVERE THUNDERSTORM WATCH 442 IN EFFECT UNTIL 8 PM MDT THIS EVENING... .TONIGHT...Mostly clear. Chance of rain showers and slight chance of thunderstorms in the evening. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall. Lows 45 to 50. Northeast winds up to 10 mph. Chance of precipitation 40 percent. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 75 to 80. West winds up to 5 mph increasing to 5 to 15 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows around 50. North winds 5 to 10 mph shifting to the southeast after midnight. .SUNDAY...Warmer, sunny. Highs 85 to 90. South winds up to 10 mph shifting to the southwest with gusts to around 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Not as warm. Mostly clear. Highs 75 to 80. Lows around 45. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Mostly clear. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 80 to 85. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. .THURSDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs around 80. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows around 50. .FRIDAY...Cooler. Mostly cloudy with a 50 percent chance of thunderstorms. Highs 65 to 70. $$ MTZ322-221000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows 45 to 50. Northwest winds up to 10 mph. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 70 to 80. Southwest winds up to 5 mph shifting to the west 5 to 15 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 50 to 55. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Warmer, sunny. Highs 80 to 90. South winds up to 10 mph shifting to the southwest with gusts to around 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY AND MONDAY NIGHT...Not as warm. Clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY...Sunny. Highs 75 to 85. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. Highs 75 to 85. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 80. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows 45 to 50. .FRIDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 60 to 70. $$ MTZ323-221000- Canyon Ferry Area- Including Toston, Townsend, and Winston 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 80 to 85. South winds up to 5 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening then clearing. Lows 50 to 60. North winds 5 to 10 mph shifting to the southeast after midnight. .SUNDAY...Warmer, sunny. Highs 90 to 95. South winds up to 10 mph shifting to the southwest with gusts to around 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 55 to 60. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY AND MONDAY NIGHT...Not as warm. Mostly clear. Highs 80 to 85. Lows 50 to 55. .TUESDAY...Sunny. Highs 80 to 85. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 85 to 90. .WEDNESDAY NIGHT...Mostly clear. Lows 55 to 60. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 80 to 85. .THURSDAY NIGHT...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Chance of precipitation 40 percent. .FRIDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 75. $$ MTZ324-221000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows around 50. Northwest winds up to 10 mph. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs in the mid 80s. Southwest winds up to 5 mph shifting to the west 5 to 15 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening then clearing. Lows 50 to 55. North winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 90 to 95. South winds up to 10 mph increasing to southwest 10 to 20 mph with gusts to around 35 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 55. West winds 10 to 20 mph with gusts to around 35 mph decreasing to 5 to 10 mph after midnight. .MONDAY THROUGH TUESDAY...Clear. Highs 85 to 90. Lows around 50. .TUESDAY NIGHT...Mostly clear. Lows around 55. .WEDNESDAY...Sunny. Highs 85 to 90. .WEDNESDAY NIGHT...Mostly clear. Lows around 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 85. Lows 50 to 55. .FRIDAY...Not as warm. Mostly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 75. $$ MTZ325-221000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows 45 to 50. Northwest winds up to 10 mph. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 80 to 85. South winds up to 10 mph shifting to the west in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening then clearing. Lows in the mid 50s. South winds 5 to 15 mph. .SUNDAY...Breezy, sunny. Highs around 90. South winds 5 to 15 mph increasing to southwest 15 to 25 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 55. Southwest winds 10 to 20 mph shifting to the south 5 to 10 mph after midnight. .MONDAY THROUGH TUESDAY...Clear. Highs around 85. Lows around 50. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 85 to 90. .WEDNESDAY NIGHT...Partly cloudy. Lows 55 to 60. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Highs 80 to 85. Lows 50 to 55. .FRIDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs 70 to 75. $$ MTZ326-221000- Gallatin Valley- Including Bozeman and Gallatin Gateway 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows around 50. North winds up to 10 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs 80 to 85. West winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy in the evening then becoming clear. Lows 50 to 55. Northeast winds 5 to 10 mph shifting to the southeast after midnight. .SUNDAY...Warmer, sunny. Highs 90 to 95. South winds up to 10 mph shifting to the west with gusts to around 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 55 to 60. West winds 10 to 15 mph shifting to the south 5 to 10 mph after midnight. .MONDAY THROUGH TUESDAY...Clear. Highs around 85. Lows around 50. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. .WEDNESDAY...Sunny. Highs around 90. .WEDNESDAY NIGHT...Mostly clear. Lows around 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 85. Lows 50 to 55. .FRIDAY...Not as warm. Mostly cloudy with a 40 percent chance of thunderstorms. Highs around 75. && TEMPERATURE / PRECIPITATION Bozeman Airport 49 85 53 95 / 10 0 0 10 Bozeman MSU 51 83 55 92 / 10 0 0 10 $$ MTZ330-221000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows 45 to 50. Northwest winds up to 10 mph. .SATURDAY...Sunny. Highs 70 to 80. Southwest winds up to 10 mph shifting to the west in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening then clearing. Lows 50 to 55. South winds 5 to 15 mph. .SUNDAY...Breezy, sunny. Highs 75 to 85. South winds 5 to 15 mph increasing to southwest 15 to 25 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Southwest winds 10 to 20 mph with gusts to around 35 mph decreasing to 5 to 10 mph after midnight. .MONDAY THROUGH TUESDAY...Clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY NIGHT...Mostly clear. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 75 to 85. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 80. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .FRIDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 60 to 70. && TEMPERATURE / PRECIPITATION West Yellowstone 40 78 44 84 / 10 0 0 10 $$ MTZ327-221000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows 40 to 45. West winds up to 10 mph. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 70 to 80. Southwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 75 to 85. South winds 5 to 10 mph shifting to the southwest 10 to 20 mph with gusts to around 35 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. West winds 10 to 20 mph with gusts to around 35 mph decreasing to up to 10 mph after midnight. .MONDAY THROUGH TUESDAY...Clear. Highs 70 to 80. Lows 40 to 45. .TUESDAY NIGHT...Mostly clear. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 75 to 85. .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Lows 40 to 45. Chance of precipitation 40 percent. .FRIDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 60 to 65. $$ MTZ328-221000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows 45 to 50. Northwest winds 5 to 15 mph. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 80 to 85. Southwest winds up to 10 mph shifting to the west in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening then clearing. Lows 50 to 55. Southwest winds 5 to 15 mph. .SUNDAY...Breezy, sunny. Highs 85 to 90. South winds 5 to 10 mph increasing to southwest 15 to 25 mph in the afternoon. .SUNDAY NIGHT...Breezy. Mostly clear. Lows 50 to 55. West winds 15 to 25 mph becoming southwest 5 to 10 mph after midnight. .MONDAY THROUGH TUESDAY...Clear. Highs 80 to 90. Lows 45 to 50. .TUESDAY NIGHT...Mostly clear. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 85 to 90. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Highs 80 to 85. Lows 45 to 50. .FRIDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 75. && TEMPERATURE / PRECIPITATION Dillon 47 85 51 91 / 0 0 0 0 $$ MTZ329-221000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 202 PM MDT Fri Jun 21 2024 .TONIGHT...Mostly clear. Lows 45 to 50. Northwest winds 5 to 15 mph. .SATURDAY...Sunny in the morning then becoming partly cloudy. Highs 70 to 80. Southwest winds up to 10 mph increasing to 10 to 20 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening then becoming clear. Lows 50 to 55. Southwest winds 5 to 15 mph. .SUNDAY...Windy, sunny. Highs 75 to 85. South winds 5 to 15 mph increasing to southwest 20 to 30 mph in the afternoon. .SUNDAY NIGHT...Breezy. Mostly clear. Lows 50 to 55. West winds 15 to 25 mph becoming southwest 5 to 10 mph after midnight. .MONDAY THROUGH WEDNESDAY...Clear. Highs 75 to 85. Lows 45 to 50. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 80. Lows 45 to 50. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls