


State Forecast
Issued by NWS
Issued by NWS
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073 FPUS65 KTFX 180625 SFPMT State Forecast For Montana National Weather Service Great Falls MT 1225 AM MDT Mon Aug 18 2025 MTZ001>007-043-191000- West of the Continental Divide- National Weather Service Missoula MT 1225 AM MDT Mon Aug 18 2025 .TONIGHT...Partly cloudy with a chance of rain showers. Lows in the mid 40s to lower 50s. .MONDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs in the 80s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly clear. Highs in the upper 80s to mid 90s. .WEDNESDAY...Mostly clear. Lows in the 50s. Highs in the mid 80s to lower 90s. .THURSDAY...Mostly clear. Lows in the mid 40s to lower 50s. Highs in the 80s. .FRIDAY...Mostly clear. Lows in the mid 40s to lower 50s. Highs in the 80s to lower 90s. $$ MTZ301>314-316>318-191000- Central Montana- National Weather Service Great Falls MT 1225 AM MDT Mon Aug 18 2025 .REST OF TONIGHT...Mostly cloudy early in the evening then clearing. Slight chance of showers and thunderstorms early in the evening. Lows 50 to 60. .MONDAY...Sunny. Slight chance of thunderstorms in the afternoon. Highs 80 to 90...70 to 80 in the mountains. .MONDAY NIGHT...Mostly clear. Lows 55 to 65...50 to 60 in the mountains. .TUESDAY...Mostly clear. Highs 85 to 95. .WEDNESDAY...Mostly clear. Lows 55 to 65. Highs 85 to 95. .THURSDAY...Mostly clear. Lows 50 to 60. Highs 75 to 80. .FRIDAY...Mostly clear. Lows 50 to 55. Highs 70 to 75. $$ MTZ315-319>330-191000- Southwest Montana- National Weather Service Great Falls MT 1225 AM MDT Mon Aug 18 2025 .REST OF TONIGHT...Mostly cloudy early in the evening then clearing. Chance of rain showers and slight chance of thunderstorms early in the evening. Lows 45 to 55. .MONDAY...Partly cloudy. Slight chance of thunderstorms in the afternoon. Highs 80 to 90...70 to 80 in the mountains. .MONDAY NIGHT...Mostly clear. Lows 50 to 60. .TUESDAY...Mostly clear. Highs 80 to 90. .WEDNESDAY...Mostly clear. Lows 50 to 60. Highs 80 to 90. .THURSDAY...Mostly clear. Lows 45 to 55. Highs 75 to 85. .FRIDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85. $$ MTZ016>027-059>062-191000- Northeast Montana- National Weather Service Glasgow MT 1225 AM MDT Mon Aug 18 2025 .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows near 60. .MONDAY...Partly cloudy. A slight chance of showers in the morning. Highs in the mid 80s to lower 90s. .MONDAY NIGHT...Mostly clear. Lows in the lower to mid 60s. .TUESDAY...Mostly clear. Highs 95 to 100. .WEDNESDAY...Mostly clear. Highs in the mid to upper 90s. Lows in the mid to upper 60s. .THURSDAY...Partly cloudy with a slight chance of showers. Highs near 80. Lows in the lower to mid 60s. .FRIDAY...Mostly clear. Highs in the mid to upper 70s. Lows in the lower to mid 50s. $$ MTZ028>042-056>058-063>068-191000- South Central and Southeast Montana- National Weather Service Billings MT 1225 AM MDT Mon Aug 18 2025 .REST OF TONIGHT...Mostly cloudy. Slight chance of rain showers. Lows in the lower 50s to mid 60s. .MONDAY...Sunny. Highs in the upper 80s to lower 90s. .MONDAY NIGHT...Mostly clear. Slight chance of rain showers. Lows in the mid 50s to the mid 60s. .TUESDAY...Sunny. Highs 93 to 103. .TUESDAY NIGHT...Mostly clear. Lows from the mid 50s west to the lower 70s east. .WEDNESDAY...Sunny. Highs 94 to 102. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s to upper 60s. .THURSDAY...Sunny. Highs in the 80s. .THURSDAY NIGHT...Partly cloudy. Slight chance of showers west... and chance of showers and slight chance of thunderstorms east. Lows around 50 to the lower 60s. .FRIDAY...Sunny. Slight chance of rain showers. Highs in the upper 70s to lower 80s. $$