FPUS65 KTFX 070938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Thu May 7 2026 MTZ301>314-316>318-080000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Thu May 7 2026 .TODAY...Mostly cloudy. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Highs 65 to 70... 50 to 60 in the mountains. Northwest winds around 20 mph in the afternoon. .TONIGHT...Partly cloudy. Slight chance of rain showers. Lows 40 to 45...35 to 40 in the mountains. .FRIDAY...Mostly cloudy. Highs 70 to 75...55 to 65 in the mountains. .SATURDAY...Mostly cloudy. Chance of rain showers. Lows 45 to 50. Highs 60 to 70. .SUNDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 80. .MONDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75. $$ MTZ315-319>330-080000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Thu May 7 2026 .TODAY...Partly cloudy. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Highs 60 to 70... 50 to 60 in the mountains. .TONIGHT...Partly cloudy. Lows 35 to 40. .FRIDAY...Increasing clouds. Highs 65 to 75...55 to 65 in the mountains. .SATURDAY...Mostly clear. Lows 35 to 45. Highs 60 to 70. .SUNDAY...Partly cloudy. Lows 35 to 40. Highs 70 to 80. .MONDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 80. $$