FPUS65 KTFX 191050 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 449 AM MDT Thu Mar 19 2026 MTZ301>314-316>318-200000- Central Montana- National Weather Service Great Falls MT 449 AM MDT Thu Mar 19 2026 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern High Plains... ...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING FOR Southern Rocky Mountain Front...Western and Central Chouteau County...Cascade County below 5000ft...Judith Basin County and Judith Gap...Fergus County below 4500ft...Little Belt and Highwood Mountains... .TODAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 60 to 70...45 to 55 in the mountains. West winds 25 to 35 mph with gusts to 60 mph. .TONIGHT...Partly cloudy. Lows 45 to 50. West winds 20 to 25 mph with gusts to 45 mph in the evening. .FRIDAY...Mostly cloudy then becoming partly cloudy. Highs 65 to 75...50 to 60 in the mountains. West winds 20 to 30 mph with gusts to 55 mph in the afternoon and evening. .SATURDAY...Mostly cloudy. Cooler. Slight chance of rain and snow. Lows 40 to 50. Highs 50 to 60. .SUNDAY...Mostly clear. Lows 25 to 30. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 25 to 30. Highs 50 to 55. $$ MTZ315-319>330-200000- Southwest Montana- National Weather Service Great Falls MT 449 AM MDT Thu Mar 19 2026 ...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING FOR Upper Blackfoot and MacDonald Pass...Big Belt, Bridger and Castle Mountains... .TODAY...Partly cloudy. Highs 65 to 75...50 to 60 in the mountains. West winds 20 to 25 mph in the afternoon. Gusts up to 40 mph. .TONIGHT...Partly cloudy. Lows 35 to 45. Gusts up to 35 mph in the evening. .FRIDAY...Partly cloudy then becoming sunny in the afternoon then becoming partly cloudy. Highs 65 to 75...55 to 65 in the mountains. Southwest winds 20 to 30 mph with gusts to 50 mph in the afternoon and evening. .SATURDAY...Partly cloudy. Chance of rain and snow. Lows 40 to 45. Highs 55 to 65. .SUNDAY...Mostly clear. Lows 25 to 30. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 30 to 35. Highs 50 to 60. $$