FPUS65 KTFX 190635 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1234 AM MDT Thu Mar 19 2026 MTZ301>314-316>318-201200- Central Montana- National Weather Service Great Falls MT 1234 AM MDT Thu Mar 19 2026 ...HIGH WIND WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern High Plains... .REST OF TONIGHT...Partly cloudy. Highs 60 to 70...45 to 55 in the mountains. Lows 40 to 50. Southwest winds 20 to 30 mph with gusts to 60 mph. .FRIDAY...Mostly 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. .FRIDAY NIGHT...Partly cloudy. Chance of rain through the night. Lows 40 to 50...35 to 45 in the mountains. West winds 20 to 30 mph. Gusts up to 55 mph. .SATURDAY...Mostly cloudy. Slight chance of rain and snow. Highs 50 to 60. West winds 20 to 25 mph with gusts to 45 mph. .SUNDAY...Mostly clear. Lows 25 to 30. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 25 to 30. Highs 50 to 55. .TUESDAY...Mostly cloudy. Slight chance of rain. Lows 30 to 35. Highs 55 to 65. $$ MTZ315-319>330-201200- Southwest Montana- National Weather Service Great Falls MT 1234 AM MDT Thu Mar 19 2026 .REST OF TONIGHT...Partly cloudy. Highs 65 to 75...50 to 60 in the mountains. Lows 35 to 45. Southwest winds around 20 mph with gusts to 40 mph. .FRIDAY...Partly cloudy. Highs 65 to 75...55 to 65 in the mountains. Southwest winds 20 to 30 mph with gusts to 50 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 50...35 to 45 in the mountains. Southwest winds 20 to 25 mph with gusts to 45 mph in the evening. .SATURDAY...Mostly cloudy. Chance of rain and snow. Highs 55 to 65. West winds 20 to 25 mph with gusts to 45 mph. .SUNDAY...Mostly clear. Lows 25 to 30. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 30 to 35. Highs 50 to 60. .TUESDAY...Mostly cloudy. Slight chance of rain. Lows 35 to 40. Highs 55 to 65. $$