Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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296 FPUS65 KTFX 020955 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 354 AM MDT Wed Sep 2 2026 MTZ301>314-316>318-030000- Central Montana- National Weather Service Great Falls MT 354 AM MDT Wed Sep 2 2026 .TODAY...Increasing clouds. Chance of rain showers and slight chance of thunderstorms in the afternoon. Some thunderstorms may be severe with damaging winds. Highs 75 to 85...65 to 75 in the mountains. South winds 20 to 25 mph with gusts to 45 mph in the afternoon. .TONIGHT...Increasing clouds. Slight chance of showers and thunderstorms. Some thunderstorms may be severe with damaging winds. Lows 45 to 55...40 to 50 in the mountains. Southwest winds 20 to 25 mph with gusts to 45 mph in the evening. .THURSDAY...Mostly cloudy then becoming sunny in the afternoon then becoming mostly cloudy. Highs 70 to 80...60 to 70 in the mountains. Southwest winds 20 to 25 mph in the afternoon. .FRIDAY...Partly cloudy. Chance of rain showers. Lows 45 to 55. Highs 70 to 80. .SATURDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Highs 65 to 75. .SUNDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Highs 65 to 75. $$ MTZ315-319>330-030000- Southwest Montana- National Weather Service Great Falls MT 354 AM MDT Wed Sep 2 2026 ...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR Madison River Valley... .TODAY...Mostly cloudy in the morning then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Some thunderstorms may produce damaging winds in the afternoon. Highs 70 to 80...60 to 70 in the mountains. Southwest winds 20 to 30 mph with gusts to 45 mph in the afternoon. .TONIGHT...Increasing clouds. Lows 40 to 50. Southwest winds 20 to 25 mph with gusts to 40 mph in the evening. .THURSDAY...Increasing clouds. Highs 65 to 75...55 to 65 in the mountains. Southwest winds 20 to 30 mph. Gusts up to 40 mph. .FRIDAY...Partly cloudy. Chance of rain showers. Lows 40 to 50. Highs 65 to 75. .SATURDAY...Mostly clear. Slight chance of rain showers. Lows 40 to 50. Highs 65 to 75. .SUNDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Highs 65 to 75. $$