FPUS65 KTFX 041833 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1233 PM MDT Mon May 4 2026 MTZ301>314-316>318-050000- Central Montana- National Weather Service Great Falls MT 1233 PM MDT Mon May 4 2026 .REST OF TODAY...Mostly cloudy. Chance of rain showers. Highs 50 to 55...35 to 45 in the mountains. North winds 20 to 25 mph with gusts to 35 mph. .TONIGHT...Mostly cloudy. Slight chance of snow showers through the night. Lows 30 to 35...25 to 30 in the mountains. Gusts up to 35 mph in the evening. .TUESDAY...Mostly cloudy then becoming partly cloudy. Chance of snow showers. Chance of rain showers in the afternoon and evening. Highs 45 to 50...35 to 45 in the mountains. North winds 20 to 25 mph in the afternoon. .WEDNESDAY...Mostly clear. Warmer. Lows 25 to 30. Highs 60 to 70. .THURSDAY...Mostly cloudy. Chance of rain showers. Lows 40 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Slight chance of rain. Lows 40 to 45. Highs 65 to 75. $$ MTZ315-319>330-050000- Southwest Montana- National Weather Service Great Falls MT 1233 PM MDT Mon May 4 2026 .REST OF TODAY...Mostly cloudy. Slight chance of rain and snow showers. Highs 55 to 65...50 to 60 in the mountains. North winds around 20 mph. .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of rain and snow showers. Lows 30 to 35... 25 to 30 in the mountains. .TUESDAY...Increasing clouds in the afternoon then becoming partly cloudy. Chance of snow showers through the day. Highs 45 to 55...35 to 45 in the mountains. North winds 20 to 30 mph with gusts to 40 mph in the afternoon and evening. .WEDNESDAY...Mostly clear. Lows 20 to 30. Highs 55 to 65. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 35 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Slight chance of rain. Lows 35 to 40. Highs 60 to 70. $$