FPUS65 KTFX 080938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Wed Jul 8 2026 MTZ301>314-316>318-090000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Wed Jul 8 2026 .TODAY...Sunny. Slight chance of showers and thunderstorms in the afternoon. Highs 85 to 90...75 to 85 in the mountains. .TONIGHT...Partly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 60...45 to 55 in the mountains. .THURSDAY...Partly cloudy then clearing. Highs 80 to 90...70 to 80 in the mountains. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 85 to 95. .SATURDAY...Mostly clear. Lows 55 to 60. Highs 90 to 100. .SUNDAY...Partly cloudy. Lows 60 to 65. Highs 90 to 100. $$ MTZ315-319>330-090000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Wed Jul 8 2026 .TODAY...Sunny. Slight chance of showers and thunderstorms in the afternoon. Highs 80 to 85...70 to 80 in the mountains. .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of showers and thunderstorms. Lows 45 to 55. .THURSDAY...Mostly clear. Highs 80 to 85...70 to 80 in the mountains. .FRIDAY...Clear. Lows 50 to 55. Highs 75 to 85. .SATURDAY...Mostly clear. Lows 50 to 60. Highs 85 to 95. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 85 to 95. $$