Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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029 FPUS65 KTFX 210938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Fri Aug 21 2026 MTZ301>314-316>318-220000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Fri Aug 21 2026 .TODAY...Sunny. Patchy smoke in the morning. Highs 80 to 90... 70 to 80 in the mountains. .TONIGHT...Increasing clouds. Lows 55 to 65. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms through the day. Highs 85 to 90...75 to 85 in the mountains. .SUNDAY...Partly cloudy. Slight chance of showers. Lows 55 to 65. Highs 85 to 95. .MONDAY...Mostly clear. Lows 50 to 60. Highs 75 to 85. .TUESDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. $$ MTZ315-319>330-220000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Fri Aug 21 2026 .TODAY...Partly cloudy. Patchy smoke. Highs 85 to 90...75 to 85 in the mountains. .TONIGHT...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 60. .SATURDAY...Mostly cloudy. Rain showers likely and chance of thunderstorms through the day. Highs 80 to 90...70 to 80 in the mountains. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 55. Highs 75 to 85. .MONDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 55. Highs 70 to 80. .TUESDAY...Partly cloudy. Lows 45 to 55. Highs 70 to 80. $$