FPUS65 KTFX 022115 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 214 PM MST Mon Feb 2 2026 MTZ301>314-316>318-031300- Central Montana- National Weather Service Great Falls MT 214 PM MST Mon Feb 2 2026 .TONIGHT...Mostly cloudy. Lows 30 to 35. .TUESDAY...Partly cloudy. Highs 45 to 50...35 to 45 in the mountains. .TUESDAY NIGHT...Partly cloudy. Lows 25 to 35. .WEDNESDAY...Mostly cloudy. Warmer. Highs 55 to 65. .THURSDAY...Mostly clear. Lows 30 to 40. Highs 60 to 70. .FRIDAY...Mostly clear. Lows 30 to 40. Highs 55 to 65. .SATURDAY...Partly cloudy. Lows 30 to 40. Highs 50 to 60. $$ MTZ315-319>330-031300- Southwest Montana- National Weather Service Great Falls MT 214 PM MST Mon Feb 2 2026 .TONIGHT...Mostly cloudy. Lows 25 to 35...20 to 30 in the mountains. .TUESDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 40 to 50...30 to 40 in the mountains. .TUESDAY NIGHT...Partly cloudy. Lows 20 to 30. .WEDNESDAY...Partly cloudy. Highs 45 to 55. .THURSDAY...Mostly clear. Lows 25 to 35. Highs 50 to 60. .FRIDAY...Mostly clear. Lows 30 to 35. Highs 50 to 60. .SATURDAY...Partly cloudy. Lows 30 to 35. Highs 50 to 60. $$