FPUS65 KTFX 150633 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1233 AM MDT Thu Oct 15 2026 MTZ301>314-316>318-160000- Central Montana- National Weather Service Great Falls MT 1233 AM MDT Thu Oct 15 2026 ...HIGH WIND WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern Rocky Mountain Front...Southern High Plains... .TODAY...Sunny. Highs 45 to 50...35 to 45 in the mountains. .TONIGHT...Mostly clear. Lows 25 to 35. .FRIDAY...Partly cloudy then becoming sunny in the afternoon then becoming partly cloudy. Much warmer. Highs 60 to 70...50 to 60 in the mountains. .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 65. $$ MTZ315-319>330-160000- Southwest Montana- National Weather Service Great Falls MT 1233 AM MDT Thu Oct 15 2026 .TODAY...Sunny. Highs 40 to 45...35 to 40 in the mountains. .TONIGHT...Mostly clear. Lows 25 to 30. .FRIDAY...Partly cloudy in the morning then becoming mostly clear. Not as cool. Highs 55 to 60...45 to 55 in the mountains. .SATURDAY...Partly cloudy. Lows 30 to 35. Highs 55 to 65. .SUNDAY...Mostly clear. Lows 30 to 35. Highs 50 to 60. .MONDAY...Partly cloudy. Lows 30 to 35. Highs 50 to 60. $$