Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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142 FPUS65 KTFX 120938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Sat Sep 12 2026 MTZ301>314-316>318-130000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Sat Sep 12 2026 .TODAY...Cloudy. Slight chance of rain showers in the morning. Highs 50 to 60...45 to 55 in the mountains. .TONIGHT...Mostly cloudy. Lows 35 to 40. .SUNDAY...Mostly cloudy then becoming partly cloudy in the afternoon then becoming mostly cloudy. Rain showers in the afternoon and evening. Highs 60 to 70...50 to 60 in the mountains. Southeast winds around 20 mph with gusts to 35 mph in the afternoon. .MONDAY...Mostly cloudy. Chance of rain showers. Lows 40 to 45. Highs 50 to 60. .TUESDAY...Mostly cloudy. Slight chance of rain showers. Lows 35 to 40. Highs 55 to 65. .WEDNESDAY...Partly cloudy. Slight chance of rain showers. Lows 35 to 45. Highs 55 to 65. $$ MTZ315-319>330-130000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Sat Sep 12 2026 ...HIGH WIND WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR Madison River Valley... .TODAY...Mostly cloudy. Highs 65 to 75...55 to 65 in the mountains. .TONIGHT...Mostly cloudy. Lows 35 to 45. .SUNDAY...Mostly cloudy in the morning then clearing. Highs 65 to 75...55 to 65 in the mountains. Southwest winds 20 to 30 mph in the afternoon and evening. Gusts up to 40 mph. .MONDAY...Mostly clear. Lows 30 to 40. Highs 55 to 65. .TUESDAY...Mostly clear. Lows 30 to 35. Highs 55 to 65. .WEDNESDAY...Mostly clear. Lows 35 to 40. Highs 55 to 65. $$