Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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118 FPUS65 KTFX 300938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Sun Aug 30 2026 MTZ301>314-316>318-310000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Sun Aug 30 2026 .TODAY...Mostly cloudy in the morning then becoming partly cloudy. Chance of rain showers in the morning. Slight chance of rain showers in the afternoon. Highs 60 to 70...50 to 60 in the mountains. West winds 20 to 30 mph in the afternoon. Gusts up to 40 mph. .TONIGHT...Mostly clear. Lows 45 to 50...35 to 45 in the mountains. West winds 20 to 25 mph with gusts to 40 mph in the evening. .MONDAY...Mostly clear. Highs 70 to 80...60 to 70 in the mountains. .TUESDAY...Partly cloudy. Lows 45 to 55. Highs 75 to 85. .WEDNESDAY...Mostly cloudy. Chance of rain showers. Lows 50 to 55. Highs 75 to 85. .THURSDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 80. $$ MTZ315-319>330-310000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Sun Aug 30 2026 .TODAY...Mostly cloudy in the morning then clearing. Chance of rain showers and slight chance of thunderstorms in the morning. Slight chance of rain showers in the afternoon. Highs 60 to 70... 55 to 60 in the mountains. West winds 20 to 25 mph in the afternoon. .TONIGHT...Mostly clear. Lows 35 to 45. .MONDAY...Mostly clear. Highs 70 to 80...60 to 70 in the mountains. .TUESDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 50. Highs 70 to 80. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 45 to 50. Highs 65 to 75. .THURSDAY...Partly cloudy. Lows 40 to 50. Highs 65 to 75. $$