FPUS65 KTFX 200634 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1233 AM MDT Fri Mar 20 2026 MTZ301>314-316>318-211200- Central Montana- National Weather Service Great Falls MT 1233 AM MDT Fri Mar 20 2026 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO NOON MDT SATURDAY FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern Rocky Mountain Front...Southern High Plains... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO NOON MDT SATURDAY FOR Cascade County below 5000ft...Judith Basin County and Judith Gap...Fergus County below 4500ft...Little Belt and Highwood Mountains... .REST OF TONIGHT...Mostly cloudy. Slight chance of rain in the morning. Patchy blowing dust in the afternoon. Highs 70 to 80... 55 to 65 in the mountains. Lows 45 to 60...40 to 55 in the mountains. Southwest winds 25 to 35 mph with gusts to 60 mph. .SATURDAY...Mostly cloudy. Cooler. Chance of rain through the day. Slight chance of snow in the afternoon. Highs 50 to 60... 45 to 55 in the mountains. West winds 20 to 30 mph with gusts to 40 mph. .SATURDAY NIGHT...Partly cloudy. Much colder. Slight chance of rain and snow. Lows 25 to 30. Northwest winds around 20 mph with gusts to 35 mph in the evening. .SUNDAY...Mostly clear. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 25 to 30. Highs 50 to 60. .TUESDAY...Mostly cloudy. Slight chance of rain. Lows 25 to 35. Highs 50 to 60. .WEDNESDAY...Partly cloudy. Slight chance of rain and snow. Lows 40 to 45. Highs 55 to 65. $$ MTZ315-319>330-211200- Southwest Montana- National Weather Service Great Falls MT 1233 AM MDT Fri Mar 20 2026 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO NOON MDT SATURDAY FOR Upper Blackfoot and MacDonald Pass... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO NOON MDT SATURDAY FOR Big Belt, Bridger and Castle Mountains... .REST OF TONIGHT...Partly cloudy. Highs 70 to 80...60 to 70 in the mountains. Lows 35 to 50. Southwest winds 20 to 25 mph with gusts to 50 mph. .SATURDAY...Increasing clouds. Highs 60 to 70...50 to 60 in the mountains. West winds 20 to 30 mph with gusts to 50 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Colder. Slight chance of rain and snow. Lows 25 to 30. Northwest winds 20 to 25 mph with gusts to 45 mph in the evening. .SUNDAY...Mostly clear. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 30 to 35. Highs 50 to 60. .TUESDAY...Mostly cloudy. Slight chance of rain. Lows 30 to 35. Highs 55 to 65. .WEDNESDAY...Partly cloudy. Slight chance of rain and snow. Lows 35 to 45. Highs 55 to 65. $$