FPUS65 KTFX 042138 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 PM MDT Sat Apr 4 2026 MTZ301>314-316>318-051200- Central Montana- National Weather Service Great Falls MT 337 PM MDT Sat Apr 4 2026 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern Rocky Mountain Front...Southern High Plains...Cascade County below 5000ft...Judith Basin County and Judith Gap... .TONIGHT...Partly cloudy. Lows 25 to 30. .SUNDAY...Mostly cloudy. Slight chance of snow. Highs 45 to 50. .SUNDAY NIGHT...Mostly cloudy. Lows 25 to 30. .MONDAY...Mostly cloudy. Highs 50 to 55. .TUESDAY...Partly cloudy. Chance of rain and snow. Lows 35 to 40. Highs 60 to 70. .WEDNESDAY...Mostly cloudy. Colder. Chance of snow. Lows 25 to 30. Highs 35 to 45. .THURSDAY...Mostly cloudy. Chance of snow. Lows 20 to 25. Highs 40 to 50. $$ MTZ315-319>330-051200- Southwest Montana- National Weather Service Great Falls MT 337 PM MDT Sat Apr 4 2026 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR Upper Blackfoot and MacDonald Pass... .TONIGHT...Mostly clear. Lows 25 to 35. .SUNDAY...Partly cloudy. Highs 55 to 60...45 to 55 in the mountains. .SUNDAY NIGHT...Mostly cloudy. Lows 30 to 35. .MONDAY...Mostly cloudy. Highs 50 to 60. .TUESDAY...Partly cloudy. Slight chance of rain. Lows 30 to 40. Highs 55 to 65. .WEDNESDAY...Mostly cloudy. Cooler. Chance of snow. Lows 25 to 30. Highs 40 to 50. .THURSDAY...Mostly cloudy. Chance of snow. Lows 25 to 30. Highs 40 to 50. $$