


State Forecast
Issued by NWS
Issued by NWS
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102 FPUS65 KTFX 182348 SFPMT State Forecast For Montana National Weather Service Great Falls MT 548 PM MDT Fri Jul 18 2025 MTZ001>007-043-191000- West of the Continental Divide- National Weather Service Missoula MT 548 PM MDT Fri Jul 18 2025 .TONIGHT...Partly cloudy. Lows in the 50s. .SATURDAY...Mostly cloudy. Highs in the upper 70s to mid 80s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .SUNDAY...Mostly cloudy. Highs in the upper 70s to mid 80s. .MONDAY...Mostly cloudy with a chance of rain showers. Lows in the upper 40s to mid 50s. Highs in the 70s. .TUESDAY...Mostly cloudy with a chance of rain showers. Lows in the mid 40s to lower 50s. Highs in the mid 70s to lower 80s. .WEDNESDAY...Mostly clear. Lows in the mid 40s to lower 50s. Highs in the 80s. $$ MTZ301>314-316>318-191000- Central Montana- National Weather Service Great Falls MT 548 PM MDT Fri Jul 18 2025 .TONIGHT...Increasing clouds. Lows 55 to 60. .SATURDAY...Mostly cloudy. Slight chance of thunderstorms in the afternoon. Highs 75 to 85...65 to 75 in the mountains. .SATURDAY NIGHT...Partly cloudy. Lows 50 to 60...45 to 55 in the mountains. .SUNDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Highs 75 to 85. .MONDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 65 to 75. .TUESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 65 to 75. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 55. Highs 75 to 85. $$ MTZ315-319>330-191000- Southwest Montana- National Weather Service Great Falls MT 548 PM MDT Fri Jul 18 2025 .TONIGHT...Partly cloudy. Areas of smoke in the evening. Lows 45 to 55. .SATURDAY...Increasing clouds. Highs 75 to 85...65 to 75 in the mountains. West winds 20 to 25 mph with gusts to 35 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Areas of smoke. Lows 45 to 55. .SUNDAY...Mostly cloudy. Highs 70 to 80. .MONDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 70 to 80. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 45 to 50. Highs 70 to 80. .WEDNESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows 45 to 50. Highs 75 to 85. $$ MTZ016>027-059>062-191000- Northeast Montana- National Weather Service Glasgow MT 548 PM MDT Fri Jul 18 2025 .TONIGHT...Partly cloudy. Lows in the mid 50s to lower 60s. .SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Highs in the lower to mid 80s. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Some thunderstorms may be severe in the evening. Lows in the mid 50s to lower 60s. .SUNDAY...Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon and evening. Highs in the lower to mid 80s. .MONDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs near 80. Lows in the mid 50s to lower 60s. .TUESDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid to upper 70s. Lows in the mid to upper 50s. .WEDNESDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs near 80. Lows in the 50s. $$ MTZ028>042-056>058-063>068-191000- South Central and Southeast Montana- National Weather Service Billings MT 548 PM MDT Fri Jul 18 2025 .TONIGHT...Partly cloudy. Slight chance of thunderstorms. Lows in the lower 50s to the lower 60s. .SATURDAY...Mostly sunny. Slight chance of thunderstorms. Highs in the mid 80s to the mid 90s. .SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms. Lows in the lower 50s to the lower 60s. .SUNDAY...Mostly sunny. Slight chance of thunderstorms. Highs in the lower 80s to the lower 90s. .SUNDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms. Lows in the lower 50s to the lower 60s. .MONDAY...Mostly sunny. Slight chance of thunderstorms. Highs in the upper 70s to around 90. .MONDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in the lower 50s to the lower 60s. .TUESDAY...Mostly sunny. Slight chance of thunderstorms. Highs in the upper 70s to mid 80s. .TUESDAY NIGHT...Partly cloudy. Chance of thunderstorms west... and chance of showers and slight chance of thunderstorms east. Lows around 50 to the lower 60s. .WEDNESDAY...Mostly sunny. Slight chance of thunderstorms. Highs in the 80s. $$