FPUS55 KTFX 212137 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 336 PM MDT Sun Jun 21 2026 Spot temperatures and probabilities of measurable precipitation are for tonight, Monday, Monday night, and Tuesday. MTZ301-221000- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy with rain showers likely and slight chance of thunderstorms early in the evening, then mostly cloudy with chance of rain showers late in the evening. Partly cloudy after midnight. Lows in the lower 40s. Northwest winds 5 to 10 mph shifting to the west after midnight. Chance of precipitation 70 percent. .MONDAY...Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 48 to 58. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 30s. North winds up to 10 mph. Gusts up to 25 mph in the evening. .TUESDAY...Warmer, sunny. Highs 56 to 66. Northeast winds up to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. East winds 5 to 10 mph shifting to the southeast after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 60 to 70. Lows in the upper 40s. .THURSDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 62 to 72. .THURSDAY NIGHT...Mostly cloudy. Lows 46 to 52. .FRIDAY...Mostly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 54 to 64. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Breezy. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 36 to 46. Highs 45 to 55. Chance of precipitation 50 percent. .SUNDAY...Breezy. Rain showers likely in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Light snow accumulations. Highs 39 to 49. Chance of precipitation 70 percent. $$ MTZ307-221000- Southern Rocky Mountain Front- Including the city of Rogers Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy. Slight chance of thunderstorms early in the evening, then slight chance of rain showers late in the evening. Patchy fog late in the night. Lows 38 to 44. West winds up to 10 mph with gusts to around 25 mph. Chance of precipitation 20 percent. .MONDAY...Mostly sunny. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs 50 to 60. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 34 to 40. Northeast winds up to 10 mph. .TUESDAY...Warmer, sunny. Highs 56 to 66. East winds up to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows 40 to 46. East winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 60 to 70. Lows in the mid 40s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 63 to 73. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 46 to 52. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 58 to 68. .FRIDAY NIGHT...Colder. Mostly cloudy. Slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 39 to 45. Chance of precipitation 30 percent. .SATURDAY AND SATURDAY NIGHT...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs 46 to 56. Lows 35 to 41. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy. Chance of rain showers and snow showers likely in the morning, then chance of rain showers with possible snow showers and thunderstorms likely in the afternoon. Highs 39 to 49. Chance of precipitation 70 percent. $$ MTZ302-221000- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening, then slight chance of rain showers late in the evening. Lows in the mid 40s. North winds 5 to 15 mph shifting to the west up to 5 mph after midnight. Chance of precipitation 50 percent. .MONDAY...Partly sunny. Slight chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows around 40. North winds 5 to 15 mph with gusts to around 30 mph shifting to the west up to 5 mph after midnight. .TUESDAY...Sunny. Highs in the upper 60s. Northwest winds up to 5 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. East winds 5 to 10 mph shifting to the southeast after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the upper 40s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers. Highs in the upper 60s. Lows in the upper 40s. .SATURDAY...Breezy. Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 40 percent. .SATURDAY NIGHT...Windy. Partly cloudy with slight chance of rain showers in the evening, then mostly cloudy with chance of rain showers after midnight. Lows in the mid 40s. Chance of showers 50 percent. .SUNDAY...Windy. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Chance of precipitation 70 percent. $$ MTZ308-221000- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Slight chance of thunderstorms early in the evening, then slight chance of rain showers late in the evening. Lows in the upper 40s. Northwest winds up to 10 mph. Chance of precipitation 20 percent. .MONDAY...Mostly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Northwest winds up to 10 mph. .TUESDAY...Sunny. Highs around 70. West winds up to 5 mph shifting to the east in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 40s. East winds 5 to 10 mph shifting to the north after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. .FRIDAY NIGHT...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. Chance of precipitation 30 percent. .SATURDAY...Cooler. Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the mid 40s. Chance of precipitation 40 percent. .SUNDAY...Breezy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 50 percent. $$ MTZ303-221000- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening, then slight chance of rain showers in the late evening and early morning. Lows in the mid 40s. North winds 10 to 15 mph shifting to the northwest 5 to 10 mph after midnight. Chance of precipitation 50 percent. .MONDAY...Breezy. Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 60s. Northwest winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. North winds 10 to 15 mph with gusts to around 30 mph shifting to the northwest after midnight. .TUESDAY...Sunny. Highs around 70. Northwest winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. East winds up to 10 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows around 50. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the mid 50s. .FRIDAY...Partly sunny. A 30 percent chance of rain showers in the afternoon. Highs in the mid 70s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows around 50. .SATURDAY...Breezy. Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs in the mid 60s. Chance of showers 40 percent. .SATURDAY NIGHT...Windy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the mid 40s. Chance of precipitation 50 percent. .SUNDAY...Windy. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 70 percent. && TEMPERATURE / PRECIPITATION Cut Bank 44 62 40 70 / 50 10 0 0 $$ MTZ304-221000- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening, then chance of rain showers in the late evening and overnight. Lows in the mid 40s. North winds 5 to 15 mph. Chance of precipitation 50 percent. .MONDAY...Mostly sunny. Highs 61 to 67. Northwest winds 5 to 15 mph increasing to 15 to 20 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Northwest winds 10 to 20 mph with gusts to around 35 mph decreasing to 5 to 10 mph after midnight. .TUESDAY...Mostly sunny. Highs 67 to 73. Northwest winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. Northeast winds up to 10 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 72 to 78. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 77 to 83. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 50s. .FRIDAY...Mostly cloudy. A 40 percent chance of rain showers in the afternoon. Highs 75 to 81. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Lows in the lower 50s. Chance of showers 50 percent. .SATURDAY...Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs 65 to 71. Chance of showers 40 percent. .SATURDAY NIGHT...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 50 percent. .SUNDAY...Breezy. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 70 percent. $$ MTZ305-221000- Hill County- Including the city of Havre 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Slight chance of rain showers early in the evening, then chance of rain showers in the late evening and overnight. Lows in the upper 40s. Northwest winds 5 to 15 mph. Chance of showers 50 percent. .MONDAY...Mostly sunny. Slight chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Northwest winds 5 to 15 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northwest winds 15 to 20 mph decreasing to 5 to 15 mph after midnight. .TUESDAY...Mostly sunny. Highs around 70. Northwest winds 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. North winds 5 to 10 mph shifting to the east after midnight. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the mid 50s. Highs around 80. Chance of precipitation 40 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower 50s. Chance of precipitation 50 percent. .SATURDAY...Cooler. Partly sunny with a 50 percent chance of rain showers. Highs around 70. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 50 percent. .SUNDAY...Breezy. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 70 percent. && TEMPERATURE / PRECIPITATION Havre 47 69 44 72 / 50 30 10 0 $$ MTZ306-221000- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a 50 percent chance of rain showers after midnight. Lows in the upper 40s. North winds 5 to 15 mph. .MONDAY...Breezy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. West winds 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Breezy. Partly cloudy. Lows in the mid 40s. Northwest winds 10 to 25 mph. .TUESDAY...Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. North winds 5 to 15 mph shifting to the east after midnight. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY...Mostly sunny. Highs in the upper 70s. .THURSDAY NIGHT AND FRIDAY...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Rain showers likely and chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of precipitation 70 percent. .SATURDAY...Breezy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 50 percent. .SUNDAY...Windy, cooler. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 60. Chance of precipitation 70 percent. $$ MTZ309-221000- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy. Slight chance of thunderstorms early in the evening. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Lows in the mid 40s. North winds 5 to 10 mph. Chance of precipitation 50 percent. .MONDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 60s. Northwest winds 5 to 15 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. North winds 5 to 15 mph shifting to the northwest up to 5 mph after midnight. .TUESDAY...Sunny. Highs in the lower 70s. Northwest winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. East winds up to 10 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows around 50. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 50s. .FRIDAY...Partly sunny. A 30 percent chance of rain showers in the afternoon. Highs in the upper 70s. .FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the upper 60s. Chance of precipitation 40 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the mid 40s. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 60. Chance of precipitation 70 percent. $$ MTZ310-221000- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening, then chance of rain showers in the late evening and overnight. Lows in the upper 40s. North winds 5 to 10 mph. Chance of precipitation 50 percent. .MONDAY...Mostly sunny. Slight chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Northwest winds 5 to 15 mph. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northwest winds up to 15 mph. .TUESDAY...Sunny. Highs in the lower 70s. Northwest winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Northeast winds 5 to 10 mph shifting to the east after midnight. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows in the mid 50s. .FRIDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT AND SATURDAY...Not as warm. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the lower 50s. Highs around 70. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 50 percent. .SUNDAY...Breezy. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 60 percent. $$ MTZ311-221000- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly clear early in the evening, then slight chance of rain showers late in the evening. Mostly cloudy with chance of rain showers and slight chance of thunderstorms after midnight. Lows around 50. North winds up to 10 mph. Chance of precipitation 50 percent. .MONDAY...Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 62 to 68. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs 65 to 71. Northwest winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds 5 to 10 mph shifting to the east after midnight. .WEDNESDAY...Mostly sunny. Highs 70 to 76. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 81. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of precipitation 40 percent. .FRIDAY...Partly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs 76 to 82. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of precipitation 70 percent. .SATURDAY AND SATURDAY NIGHT...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs 65 to 71. Lows in the upper 40s. Chance of precipitation 50 percent. .SUNDAY...Breezy. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 56 to 62. Chance of precipitation 60 percent. $$ MTZ312-221000- Cascade County below 5000ft- Including the city of Great Falls 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy with slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain showers in the late evening and early morning. Mostly cloudy late in the night. Lows in the upper 40s. Northeast winds 5 to 15 mph shifting to the northwest after midnight. Chance of precipitation 20 percent. .MONDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 60s. Northwest winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northwest winds up to 10 mph. .TUESDAY...Sunny. Highs 68 to 74. West winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Northeast winds 5 to 15 mph shifting to the east up to 5 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 73 to 79. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 78 to 84. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 50s. .FRIDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 40 percent. .FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the lower 50s. Highs 64 to 70. Chance of precipitation 50 percent. .SATURDAY NIGHT AND SUNDAY...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the mid 40s. Highs around 60. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Great Falls Arpt 48 66 44 72 / 20 30 10 0 $$ MTZ313-221000- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy. Slight chance of thunderstorms until early morning. Chance of rain showers in the late evening and early morning, then slight chance of rain showers late in the night. Lows in the upper 40s. Northeast winds up to 10 mph shifting to the northwest after midnight. Chance of precipitation 40 percent. .MONDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Northwest winds up to 15 mph. .TUESDAY...Sunny. Highs in the upper 60s. Northwest winds up to 15 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph with gusts to around 25 mph shifting to the south after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .THURSDAY...Partly sunny. A 50 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows in the lower 50s. .FRIDAY...Partly sunny. A 50 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 70 percent. .SATURDAY...Cooler. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower 40s. Chance of precipitation 50 percent. .SUNDAY...Windy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 50 percent. $$ MTZ314-221000- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy. Slight chance of thunderstorms late in the evening. Chance of rain showers and slight chance of thunderstorms after midnight. Lows 48 to 54. North winds up to 10 mph. Chance of precipitation 50 percent. .MONDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs in the mid 60s. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. Lows 43 to 49. Northwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs around 70. Northwest winds 10 to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. North winds 5 to 10 mph shifting to the southeast after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the lower 50s. .THURSDAY...Partly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 50s. .FRIDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 50 to 56. Chance of precipitation 70 percent. .SATURDAY...Cooler. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 45 to 51. Chance of precipitation 50 percent. .SUNDAY...Windy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Lewistown 45 63 40 67 / 40 50 10 0 $$ MTZ315-221000- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy. Lows 42 to 48. Northwest winds up to 10 mph. .MONDAY...Sunny in the morning, then partly sunny with a 50 percent chance of thunderstorms in the afternoon. Highs 57 to 67. Northwest winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Lows around 40. Northeast winds up to 10 mph. .TUESDAY...Sunny. Highs 61 to 71. Northeast winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northeast winds 5 to 15 mph decreasing to up to 5 mph after midnight. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 65 to 75. Lows in the upper 40s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 68 to 78. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 49 to 55. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 63 to 73. .FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 42 to 48. Highs 50 to 60. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 36 to 42. Chance of precipitation 40 percent. .SUNDAY...Breezy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 43 to 51. Chance of precipitation 50 percent. $$ MTZ316-221000- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy then becoming mostly cloudy late in the night. Lows in the upper 40s. North winds 5 to 10 mph. Gusts up to 30 mph after midnight. .MONDAY...Mostly sunny. A 50 percent chance of thunderstorms in the afternoon. Highs 60 to 68. Northwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. North winds up to 10 mph. Gusts up to 30 mph in the evening. .TUESDAY...Sunny. Highs 65 to 73. Northeast winds up to 10 mph. Gusts up to 25 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Northeast winds 5 to 15 mph shifting to the north up to 5 mph after midnight. .WEDNESDAY...Sunny. Highs 70 to 78. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 74 to 82. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 71 to 79. .FRIDAY NIGHT AND SATURDAY...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the upper 40s. Highs 58 to 66. Chance of precipitation 50 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the mid 40s. Highs 50 to 58. Chance of precipitation 50 percent. $$ MTZ317-221000- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy with slight chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows 42 to 48. Northeast winds up to 10 mph shifting to the west after midnight. Chance of precipitation 20 percent. .MONDAY...Mostly sunny. Slight chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs 53 to 61. Northwest winds up to 15 mph. Chance of thunderstorms 50 percent. .MONDAY NIGHT...Partly cloudy. Lows 36 to 42. Northwest winds up to 10 mph. Gusts up to 25 mph in the evening. .TUESDAY...Sunny. Highs 58 to 66. Northwest winds up to 10 mph. Gusts up to 25 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 40 to 46. Northeast winds 5 to 10 mph shifting to the southeast after midnight. Gusts up to 25 mph. .WEDNESDAY...Mostly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs 62 to 70. .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 50. .THURSDAY...Partly sunny. A 50 percent chance of thunderstorms in the afternoon. Highs 65 to 73. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 48 to 54. .FRIDAY...Partly sunny. A 50 percent chance of thunderstorms in the afternoon. Highs 66 to 74. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 42 to 48. Chance of precipitation 70 percent. .SATURDAY...Cooler. Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 52 to 60. Chance of precipitation 80 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 36 to 42. Chance of precipitation 60 percent. .SUNDAY...Breezy. Partly sunny. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 45 to 53. Chance of precipitation 70 percent. $$ MTZ318-221000- Snowy and Judith Mountains- 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy. Slight chance of thunderstorms early in the evening, then chance of rain showers and slight chance of thunderstorms in the late evening and overnight. Lows in the mid 40s. Northeast winds up to 10 mph shifting to the southeast after midnight. Chance of precipitation 50 percent. .MONDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs 54 to 60. Northwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Sunny. Highs 59 to 65. Northwest winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 40s. North winds 5 to 10 mph with gusts to around 25 mph shifting to the southeast after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 63 to 69. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .THURSDAY THROUGH FRIDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs 66 to 78. Lows around 50. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 57 to 65. Chance of precipitation 80 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower 40s. Chance of precipitation 70 percent. .SUNDAY...Breezy. Partly sunny. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 49 to 57. Chance of precipitation 60 percent. $$ MTZ319-221000- Helena Valley- Including the city of Helena 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the upper 40s. Northwest winds 5 to 10 mph with gusts to around 25 mph. .MONDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 70s. Northwest winds 5 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. North winds 5 to 15 mph shifting to the northwest up to 5 mph after midnight. .TUESDAY...Sunny. Highs in the mid 70s. North winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds 10 to 15 mph decreasing to up to 5 mph after midnight. .WEDNESDAY...Sunny. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 50s. .FRIDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 50 percent. .SATURDAY...Cooler. Partly sunny. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower 40s. Chance of precipitation 50 percent. .SUNDAY...Breezy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Helena 51 72 45 76 / 0 20 10 0 $$ MTZ320-221000- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy with slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain showers late in the evening. Partly cloudy after midnight. Lows in the mid 40s. North winds up to 10 mph. Chance of precipitation 20 percent. .MONDAY...Mostly sunny. Slight chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. Highs 57 to 67. Northwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Northeast winds up to 15 mph. Gusts up to 30 mph in the evening. .TUESDAY...Sunny. Highs 61 to 71. North winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. Northeast winds 5 to 15 mph with gusts to around 35 mph. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 64 to 74. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .THURSDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 66 to 76. Chance of precipitation 50 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 20 percent chance of thunderstorms. Lows in the lower 50s. Highs 66 to 76. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows in the mid 40s. Chance of precipitation 70 percent. .SATURDAY...Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 52 to 62. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 30s. Chance of precipitation 70 percent. .SUNDAY...Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 44 to 54. Chance of precipitation 50 percent. $$ MTZ321-221000- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy with slight chance of thunderstorms in the evening, then mostly cloudy with slight chance of rain showers after midnight. Partly cloudy late in the night. Lows in the mid 40s. North winds up to 10 mph. Chance of precipitation 20 percent. .MONDAY...Mostly sunny. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs in the mid 60s. Northwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. North winds 5 to 15 mph with gusts to around 30 mph decreasing to up to 5 mph after midnight. .TUESDAY...Sunny. Highs in the upper 60s. North winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 40s. Northeast winds up to 15 mph. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .THURSDAY...Mostly sunny. A 50 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the upper 40s. .FRIDAY...Partly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. .FRIDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the mid 40s. Chance of precipitation 70 percent. .SATURDAY...Cooler. Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 80 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 30s. Chance of precipitation 50 percent. .SUNDAY...Breezy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 50 percent. $$ MTZ322-221000- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 41 to 49. Northwest winds up to 10 mph. Gusts up to 30 mph after midnight. .MONDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 59 to 69. Northwest winds up to 15 mph with gusts to around 35 mph. .MONDAY NIGHT...Mostly clear. Lows 36 to 44. North winds up to 15 mph with gusts to around 35 mph. .TUESDAY...Sunny. Highs 63 to 71. Northeast winds up to 10 mph. Gusts up to 25 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 41 to 49. Northeast winds 5 to 15 mph shifting to the north up to 5 mph after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 65 to 75. .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 50. .THURSDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 67 to 77. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy. Lows 47 to 55. .FRIDAY...Partly sunny. A 30 percent chance of thunderstorms in the afternoon. Highs 65 to 75. .FRIDAY NIGHT...Colder. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 40 to 48. Chance of precipitation 60 percent. .SATURDAY...Cooler. Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 50 to 60. Chance of precipitation 80 percent. .SATURDAY NIGHT...Colder. Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 34 to 42. Chance of precipitation 50 percent. .SUNDAY...Partly sunny. Chance of rain showers and snow showers in the morning, then chance of thunderstorms in the afternoon. Highs 44 to 54. Chance of precipitation 50 percent. $$ MTZ323-221000- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 40s. North winds 5 to 10 mph with gusts to around 25 mph. .MONDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 70s. North winds 5 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. North winds 10 to 20 mph decreasing to 5 to 10 mph after midnight. Gusts up to 35 mph. .TUESDAY...Sunny. Highs in the mid 70s. North winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northeast winds up to 15 mph. .WEDNESDAY...Sunny. Highs in the upper 70s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 50s. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows around 50. Chance of precipitation 70 percent. .SATURDAY...Cooler. Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 80 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower 40s. Chance of precipitation 70 percent. .SUNDAY...Partly sunny. Chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 50 percent. $$ MTZ324-221000- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Northwest winds up to 10 mph. Gusts up to 20 mph after midnight. .MONDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 70s. Northwest winds up to 10 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds 10 to 15 mph decreasing to up to 10 mph after midnight. Gusts up to 30 mph. .TUESDAY...Sunny. Highs in the mid 70s. Northeast winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northeast winds up to 10 mph. Gusts up to 25 mph in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper 70s. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 50s. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows in the upper 40s. Chance of precipitation 70 percent. .SATURDAY...Cooler. Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower 40s. Chance of precipitation 70 percent. .SUNDAY...Partly sunny. Chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 50 percent. $$ MTZ325-221000- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy with slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain showers late in the evening. Mostly clear after midnight. Lows in the mid 40s. West winds up to 10 mph shifting to the north after midnight. Chance of precipitation 20 percent. .MONDAY...Sunny. Highs in the lower 70s. North winds up to 5 mph shifting to the northwest 5 to 15 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. North winds 10 to 15 mph decreasing to up to 5 mph after midnight. Gusts up to 35 mph. .TUESDAY...Sunny. Highs in the mid 70s. North winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northeast winds up to 10 mph. Gusts up to 25 mph in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the upper 40s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 50s. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the mid 40s. Chance of precipitation 50 percent. .SATURDAY...Cooler. Rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 80 percent. .SATURDAY NIGHT...Colder. Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 34 to 40. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy. Rain showers likely in the morning, then chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 60 percent. $$ MTZ326-221000- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy with slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain showers late in the evening. Partly cloudy after midnight. Lows in the upper 40s. North winds up to 10 mph shifting to the southwest after midnight. Chance of precipitation 20 percent. .MONDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 70s. Northwest winds up to 5 mph increasing to 5 to 15 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. North winds 5 to 15 mph shifting to the east up to 5 mph after midnight. .TUESDAY...Sunny. Highs in the mid 70s. North winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. East winds 5 to 10 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the upper 40s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 50s. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows in the upper 40s. Chance of precipitation 60 percent. .SATURDAY...Cooler. Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower 40s. Chance of precipitation 80 percent. .SUNDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 70 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 46 74 42 76 / 20 20 10 0 Bozeman MSU 47 72 43 74 / 30 20 10 0 $$ MTZ330-221000- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain showers late in the evening. Partly cloudy after midnight. Lows 40 to 46. Southwest winds up to 10 mph with gusts to around 25 mph shifting to the northwest after midnight. Chance of precipitation 50 percent. .MONDAY...Sunny. Highs 59 to 71. Northwest winds up to 5 mph with gusts to around 20 mph increasing to 10 to 15 mph with gusts to around 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 36 to 42. North winds 10 to 15 mph with gusts to around 40 mph shifting to the northeast with gusts to around 30 mph after midnight. .TUESDAY...Sunny. Highs 61 to 73. North winds up to 10 mph with gusts to around 25 mph. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 46. Northeast winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms. Highs 64 to 74. Lows 42 to 48. .THURSDAY...Mostly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs 64 to 74. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 44 to 50. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 64 to 74. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 39 to 45. Chance of precipitation 50 percent. .SATURDAY...Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 50 to 60. Chance of precipitation 90 percent. .SATURDAY NIGHT...Colder. Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Light snow accumulations. Lows 30 to 36. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy. Rain showers and snow showers likely in the morning, then chance of thunderstorms and snow showers likely in the afternoon. Light snow accumulations. Highs 43 to 53. Chance of precipitation 70 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 38 74 36 78 / 30 0 0 0 $$ MTZ327-221000- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Partly cloudy. Lows 37 to 43. Northwest winds up to 10 mph with gusts to around 25 mph. .MONDAY...Sunny. Highs 61 to 71. Northwest winds up to 5 mph with gusts to around 20 mph increasing to 10 to 15 mph with gusts to around 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s. North winds 5 to 15 mph with gusts to around 30 mph shifting to the northeast up to 5 mph with gusts to around 20 mph after midnight. .TUESDAY...Sunny. Highs 65 to 75. East winds up to 5 mph shifting to the southwest in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 46. Northeast winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 66 to 76. Lows in the mid 40s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 65 to 75. .THURSDAY NIGHT...Partly cloudy. Lows 44 to 50. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 61 to 71. .FRIDAY NIGHT...Colder. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 36 to 42. Chance of precipitation 50 percent. .SATURDAY...Cooler. Rain showers likely in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 46 to 56. Chance of precipitation 70 percent. .SATURDAY NIGHT...Colder. Mostly cloudy. Chance of thunderstorms and snow showers in the evening, then chance of rain showers and snow showers after midnight. Lows 29 to 35. Chance of precipitation 50 percent. .SUNDAY...Partly sunny. Chance of rain showers and snow showers in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 41 to 51. Chance of precipitation 50 percent. $$ MTZ328-221000- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy in the evening then clearing. Lows in the mid 40s. Northwest winds up to 10 mph with gusts to around 25 mph. .MONDAY...Sunny. Highs 72 to 78. Northwest winds up to 10 mph. Gusts up to 25 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. North winds 10 to 15 mph with gusts to around 40 mph shifting to the northeast with gusts to around 30 mph after midnight. .TUESDAY...Sunny. Highs 73 to 79. Northeast winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northeast winds up to 15 mph with gusts to around 30 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 75 to 81. Lows in the upper 40s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 76 to 82. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. .FRIDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 74 to 80. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the mid 40s. Chance of precipitation 50 percent. .SATURDAY...Cooler. Rain showers likely in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 66. Chance of precipitation 70 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 50 percent chance of thunderstorms. Lows in the upper 30s. Highs 54 to 60. && TEMPERATURE / PRECIPITATION Dillon 46 77 42 77 / 10 0 0 0 $$ MTZ329-221000- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 336 PM MDT Sun Jun 21 2026 .TONIGHT...Mostly cloudy with a 20 percent chance of thunderstorms early in the evening, then mostly clear in the late evening and overnight. Lows in the lower 40s. Northwest winds up to 10 mph with gusts to around 25 mph. .MONDAY...Sunny. Highs 65 to 73. Northwest winds up to 10 mph increasing to 10 to 15 mph in the afternoon. Gusts up to 30 mph. .MONDAY NIGHT...Mostly clear. Lows around 40. North winds 10 to 15 mph decreasing to up to 10 mph after midnight. Gusts up to 30 mph. .TUESDAY...Sunny. Highs 67 to 75. North winds up to 10 mph with gusts to around 25 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. North winds 5 to 15 mph decreasing to up to 5 mph after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 68 to 76. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 68 to 76. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows around 50. .FRIDAY...Breezy. Partly sunny. Highs 67 to 75. .FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the lower 40s. Chance of precipitation 40 percent. .SATURDAY...Cooler. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 53 to 61. Chance of precipitation 70 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 50 percent chance of thunderstorms and snow showers. Lows in the lower 30s. Highs 48 to 56. $$