FPUS65 KTFX 280938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Tue Apr 28 2026 MTZ301>314-316>318-290000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Tue Apr 28 2026 .TODAY...Increasing clouds. Slight chance of rain and snow showers in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 50 to 55...40 to 50 in the mountains. .TONIGHT...Partly cloudy. Slight chance of rain showers through the night. Chance of snow showers after midnight. Lows 30 to 35... 25 to 30 in the mountains. .WEDNESDAY...Mostly cloudy then becoming partly cloudy in the afternoon then becoming mostly clear. Chance of rain showers and chance of snow showers. Slight chance of thunderstorms in the afternoon and evening. Highs 55 to 60...40 to 50 in the mountains. .THURSDAY...Mostly clear. Lows around 30. Highs 55 to 65. .FRIDAY...Mostly clear. Lows 35 to 40. Highs 65 to 75. .SATURDAY...Mostly cloudy. Slight chance of rain. Lows around 40. Highs 55 to 65. $$ MTZ315-319>330-290000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Tue Apr 28 2026 .TODAY...Mostly cloudy. Slight chance of snow showers in the morning, then chance of snow showers, rain showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55...35 to 45 in the mountains. .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Chance of rain and snow showers through the night. Lows 25 to 35...20 to 30 in the mountains. .WEDNESDAY...Mostly cloudy then becoming partly cloudy. Chance of rain and snow showers through the day. Slight chance of thunderstorms in the afternoon and evening. Highs 50 to 55... 40 to 50 in the mountains. .THURSDAY...Mostly clear. Lows 25 to 30. Highs 50 to 60. .FRIDAY...Mostly clear. Lows 30 to 35. Highs 55 to 65. .SATURDAY...Mostly cloudy. Slight chance of rain and light freezing rain. Lows 35 to 40. Highs 55 to 65. $$