Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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684 FPUS65 KTFX 210634 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1233 AM MDT Fri Aug 21 2026 MTZ301>314-316>318-221200- Central Montana- National Weather Service Great Falls MT 1233 AM MDT Fri Aug 21 2026 .REST OF TONIGHT...Partly cloudy. Patchy smoke. Highs 80 to 90... 70 to 80 in the mountains. Lows 55 to 65...50 to 60 in the mountains. .SATURDAY...Mostly cloudy. Slight chance of showers and thunderstorms through the day. Highs 85 to 90...75 to 85 in the mountains. .SATURDAY NIGHT...Mostly cloudy. Chance of showers and thunderstorms. Lows 55 to 65...50 to 60 in the mountains. .SUNDAY...Partly cloudy. Slight chance of showers. 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. .WEDNESDAY...Partly cloudy. Slight chance of rain showers. Lows 50 to 55. Highs 75 to 85. $$ MTZ315-319>330-221200- Southwest Montana- National Weather Service Great Falls MT 1233 AM MDT Fri Aug 21 2026 .REST OF TONIGHT...Mostly cloudy. Patchy smoke. Slight chance of showers and thunderstorms. Highs 85 to 90...75 to 85 in the mountains. Lows 50 to 60. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms through the day. Highs 80 to 90...70 to 80 in the mountains. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms. Lows 50 to 60. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Highs 75 to 85. .MONDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 55. Highs 70 to 80. .TUESDAY...Partly cloudy. Lows 45 to 55. Highs 70 to 80. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 45 to 55. Highs 70 to 80. $$