FPUS65 KTFX 020626 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1125 PM MST Sun Feb 1 2026 MTZ301>314-316>318-021300- Central Montana- National Weather Service Great Falls MT 1125 PM MST Sun Feb 1 2026 .REST OF TONIGHT...Mostly cloudy. Lows 25 to 35. West winds 20 to 30 mph with gusts to 45 mph. .MONDAY...Partly cloudy. Highs 45 to 55...35 to 45 in the mountains. West winds 20 to 30 mph with gusts to 40 mph. .MONDAY NIGHT...Mostly cloudy. Slight chance of snow. Lows 30 to 35. .TUESDAY...Partly cloudy. Highs 40 to 50. .WEDNESDAY...Mostly cloudy. Lows 25 to 40. Highs 55 to 65. .THURSDAY...Mostly clear. Lows 25 to 40. Highs 60 to 70. .FRIDAY...Partly cloudy. Lows 25 to 35. Highs 55 to 65. $$ MTZ315-319>330-021300- Southwest Montana- National Weather Service Great Falls MT 1125 PM MST Sun Feb 1 2026 .REST OF TONIGHT...Partly cloudy. Lows 15 to 30. .MONDAY...Partly cloudy. Highs 40 to 50...30 to 40 in the mountains. .MONDAY NIGHT...Mostly cloudy. Slight chance of snow through the night. Lows 25 to 35...20 to 30 in the mountains. .TUESDAY...Partly cloudy. Highs 35 to 45. .WEDNESDAY...Partly cloudy. Lows 20 to 35. Highs 45 to 55. .THURSDAY...Mostly clear. Lows 25 to 35. Highs 50 to 60. .FRIDAY...Mostly clear. Lows 25 to 30. Highs 50 to 60. $$