FPUS65 KTFX 180805 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 205 AM MDT Sat May 18 2024 MTZ301>314-316>318-190000- Central Montana- National Weather Service Great Falls MT 205 AM MDT Sat May 18 2024 .TODAY...Partly cloudy. Slight chance of rain showers in the afternoon. Highs 55 to 60...45 to 55 in the mountains. West winds around 20 mph in the afternoon. .TONIGHT...Increasing clouds. Slight chance of rain showers through the night. Lows 35 to 40...25 to 35 in the mountains. .SUNDAY...Mostly cloudy. Snow showers likely in the morning. Rain showers through the day. Slight chance of thunderstorms in the afternoon and evening. Highs 50 to 60...40 to 50 in the mountains. .MONDAY...Mostly cloudy. Chance of rain. Lows 35 to 40. Highs 50 to 60. .TUESDAY...Partly cloudy. Slight chance of rain. Lows 30 to 35. Highs 55 to 65. .WEDNESDAY...Rain showers likely and slight chance of thunderstorms. Lows 35 to 40. Highs 55 to 65. $$ MTZ315-319>330-190000- Southwest Montana- National Weather Service Great Falls MT 205 AM MDT Sat May 18 2024 .TODAY...Sunny. Highs 55 to 65...45 to 55 in the mountains. West winds 20 to 25 mph with gusts to 35 mph in the afternoon. .TONIGHT...Mostly cloudy. Slight chance of snow showers after midnight. Lows 30 to 40...25 to 35 in the mountains. Gusts up to 35 mph in the evening. .SUNDAY...Mostly cloudy. Rain and snow showers likely through the day. Slight chance of thunderstorms in the afternoon. Highs 45 to 55...40 to 50 in the mountains. .MONDAY...Rain showers likely with possible snow and thunderstorms. Lows 25 to 35. Highs 45 to 55. .TUESDAY...Mostly cloudy. Slight chance of rain and snow. Lows 30 to 35. Highs 50 to 60. .WEDNESDAY...Rain showers likely with possible snow and thunderstorms. Lows 30 to 40. Highs 50 to 60. $$