FPUS65 KTFX 040634 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1233 AM MDT Mon May 4 2026 MTZ301>314-316>318-051200- Central Montana- National Weather Service Great Falls MT 1233 AM MDT Mon May 4 2026 .REST OF TONIGHT...Mostly cloudy. Chance of rain showers. Slight chance of rain showers in the afternoon. Highs 50 to 60...40 to 50 in the mountains. Lows 30 to 45...25 to 40 in the mountains. North winds around 20 mph with gusts to 35 mph. .TUESDAY...Partly cloudy. Chance of snow showers through the day. Slight chance of rain showers in the afternoon. Highs 50 to 55... 35 to 45 in the mountains. North winds around 20 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 25 to 30. .WEDNESDAY...Mostly clear. Warmer. 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. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 50. Highs 60 to 70. $$ MTZ315-319>330-051200- Southwest Montana- National Weather Service Great Falls MT 1233 AM MDT Mon May 4 2026 .REST OF TONIGHT...Partly cloudy. Chance of rain showers in the morning. Slight chance of rain showers in the afternoon. Highs 55 to 65...45 to 55 in the mountains. Lows 30 to 45...25 to 40 in the mountains. .TUESDAY...Partly cloudy. Slight chance of snow showers through the day. Highs 45 to 55...40 to 50 in the mountains. North winds 20 to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 25 to 30...20 to 25 in the mountains. North winds 20 to 25 mph with gusts to 35 mph in the evening. .WEDNESDAY...Mostly clear. Highs 55 to 65. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 35 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Slight chance of rain showers. Lows 35 to 40. Highs 60 to 70. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 35 to 45. Highs 55 to 65. $$