Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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251 FPUS65 KTFX 042138 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 PM MDT Fri Sep 4 2026 MTZ301>314-316>318-051200- Central Montana- National Weather Service Great Falls MT 337 PM MDT Fri Sep 4 2026 .TONIGHT...Partly cloudy. Chance of rain showers. Lows 45 to 55... 40 to 50 in the mountains. .SATURDAY...Sunny. Chance of rain showers. Highs 70 to 80...60 to 70 in the mountains. .SATURDAY NIGHT...Increasing clouds. Chance of rain showers and slight chance of thunderstorms. Lows 50 to 55...40 to 50 in the mountains. .SUNDAY...Mostly cloudy. Rain showers and chance of thunderstorms. Highs 70 to 80. .LABOR DAY...Rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 60 to 70. .TUESDAY...Mostly cloudy. Chance of rain showers. Lows 45 to 50. Highs 60 to 70. .WEDNESDAY...Partly cloudy. Lows 40 to 45. Highs 65 to 75. $$ MTZ315-319>330-051200- Southwest Montana- National Weather Service Great Falls MT 337 PM MDT Fri Sep 4 2026 .TONIGHT...Partly cloudy. Chance of rain showers. Lows 40 to 50. .SATURDAY...Sunny. Highs 70 to 80...60 to 70 in the mountains. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. .SUNDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs 70 to 80. .LABOR DAY...Cooler. Rain showers and chance of thunderstorms. Lows 45 to 50. Highs 55 to 65. .TUESDAY...Partly cloudy. Lows 35 to 45. Highs 60 to 70. .WEDNESDAY...Partly cloudy. Lows 35 to 45. Highs 65 to 75. $$