FPUS65 KTFX 040933 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 333 AM MDT Mon May 4 2026 MTZ301>314-316>318-050000- Central Montana- National Weather Service Great Falls MT 333 AM MDT Mon May 4 2026 .TODAY...Mostly cloudy. Chance of rain showers in the morning. Slight chance of rain showers in the afternoon. Highs 50 to 60... 40 to 50 in the mountains. Northwest winds 20 to 25 mph with gusts to 35 mph in the afternoon. .TONIGHT...Increasing clouds. Lows 30 to 35...25 to 30 in the mountains. .TUESDAY...Partly cloudy. Chance of snow showers. Slight chance of rain showers in the afternoon and evening. Highs 50 to 55... 35 to 45 in the mountains. North winds around 20 mph in the afternoon. .WEDNESDAY...Mostly clear. 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 showers. Lows 40 to 45. Highs 65 to 75. $$ MTZ315-319>330-050000- Southwest Montana- National Weather Service Great Falls MT 333 AM MDT Mon May 4 2026 .TODAY...Partly cloudy. Chance of rain showers in the morning. Slight chance of rain showers in the afternoon. Highs 55 to 65... 45 to 55 in the mountains. .TONIGHT...Partly cloudy. Lows 30 to 35...25 to 30 in the mountains. .TUESDAY...Partly cloudy. Slight chance of snow showers through the day. Highs 45 to 55...40 to 50 in the mountains. North winds 20 to 30 mph with gusts to 35 mph in the afternoon and evening. .WEDNESDAY...Mostly clear. Lows 25 to 30. Highs 55 to 65. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 35 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Slight chance of rain showers. Lows 35 to 40. Highs 60 to 70. $$