FPUS65 KTFX 252108 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 307 PM MDT Fri Apr 25 2025 MTZ301>314-316>318-261200- Central Montana- National Weather Service Great Falls MT 307 PM MDT Fri Apr 25 2025 .TONIGHT...Mostly clear. Lows 35 to 40...30 to 35 in the mountains. Southeast winds around 20 mph in the evening. .SATURDAY...Partly cloudy. Slight chance of thunderstorms in the afternoon. Highs 65 to 70...55 to 65 in the mountains. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of showers and thunderstorms. Lows 40 to 45...35 to 40 in the mountains. .SUNDAY...Mostly cloudy. Chance of rain. Highs 60 to 70. .MONDAY...Mostly cloudy. Chance of rain and snow. Lows 30 to 35. Highs 50 to 55. .TUESDAY...Mostly cloudy. Chance of rain showers. Lows 35 to 40. Highs 55 to 65. .WEDNESDAY...Mostly cloudy. Chance of rain showers. Lows 35 to 45. Highs 55 to 65. $$ MTZ315-319>330-261200- Southwest Montana- National Weather Service Great Falls MT 307 PM MDT Fri Apr 25 2025 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING FOR Gallatin and Madison County Mountains and Centennial Mountains... .TONIGHT...Mostly cloudy. Chance of rain showers in the evening. Lows 30 to 40. .SATURDAY...Mostly cloudy. Slight chance of thunderstorms in the afternoon. Highs 60 to 70...50 to 60 in the mountains. .SATURDAY NIGHT...Mostly cloudy. Slight chance of rain showers. Lows 30 to 40. .SUNDAY...Cloudy. Rain showers, snow showers and slight chance of thunderstorms. Highs 55 to 65. .MONDAY...Rain with snow likely. Lows 30 to 35. Highs 45 to 55. .TUESDAY...Mostly cloudy. Chance of rain and snow showers. Lows 30 to 35. Highs 50 to 60. .WEDNESDAY...Mostly cloudy. Chance of rain and snow showers. Lows 30 to 40. Highs 50 to 60. $$