582 FPUS65 KTFX 142228 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 428 PM MDT Wed Oct 14 2026 MTZ301>314-316>318-151200- Central Montana- National Weather Service Great Falls MT 428 PM MDT Wed Oct 14 2026 .TONIGHT...Mostly clear. Lows 30 to 35...20 to 30 in the mountains. .THURSDAY...Sunny. Highs 45 to 50...35 to 45 in the mountains. .THURSDAY NIGHT...Partly cloudy. Lows 25 to 35. .FRIDAY...Mostly clear. Warmer. Highs 55 to 65. .SATURDAY...Partly cloudy. Lows 40 to 45. Highs 65 to 75. .SUNDAY...Mostly clear. Cooler. Lows 35 to 40. Highs 50 to 60. .MONDAY...Partly cloudy. Lows 35 to 40. Highs 55 to 60. $$ MTZ315-319>330-151200- Southwest Montana- National Weather Service Great Falls MT 428 PM MDT Wed Oct 14 2026 .TONIGHT...Mostly clear. Patchy fog. Lows 25 to 30...20 to 25 in the mountains. .THURSDAY...Sunny. Patchy fog in the morning. Highs 40 to 50... 35 to 45 in the mountains. .THURSDAY NIGHT...Partly cloudy. Lows 25 to 30. .FRIDAY...Mostly clear. Highs 50 to 60. .SATURDAY...Mostly clear. Lows 30 to 35. Highs 55 to 65. .SUNDAY...Mostly clear. Lows 30 to 35. Highs 50 to 60. .MONDAY...Mostly clear. Lows 30 to 35. Highs 50 to 60. $$