FPUS65 KTFX 191200 SFPMT State Forecast For Montana National Weather Service Great Falls MT 600 AM MDT Thu Mar 19 2026 MTZ001>007-043-192200- West of the Continental Divide- National Weather Service Missoula MT 600 AM MDT Thu Mar 19 2026 .TODAY...Partly cloudy with areas of rain. Highs in the 60s to lower 70s. .TONIGHT...Mostly cloudy with a chance of rain. Lows in the upper 30s to mid 40s. .FRIDAY...Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon and evening. Highs in the 60s to lower 70s. .SATURDAY...Mostly cloudy. A chance of rain and snow. Lows in the upper 30s to mid 40s. Highs in the 50s. .SUNDAY...Mostly clear. Lows in the 20s to lower 30s. Highs in the upper 40s to mid 50s. .MONDAY...Mostly cloudy. Lows in the upper 20s to mid 30s. Highs in the mid 50s to lower 60s. $$ MTZ301>314-316>318-192200- Central Montana- National Weather Service Great Falls MT 600 AM MDT Thu Mar 19 2026 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern High Plains... ...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING FOR Southern Rocky Mountain Front...Western and Central Chouteau County...Cascade County below 5000ft...Judith Basin County and Judith Gap...Fergus County below 4500ft...Little Belt and Highwood Mountains... .TODAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 60 to 70...45 to 55 in the mountains. West winds 25 to 35 mph with gusts to 60 mph. .TONIGHT...Partly cloudy. Lows 45 to 50. West winds 20 to 25 mph with gusts to 45 mph in the evening. .FRIDAY...Mostly cloudy then becoming partly cloudy. Highs 65 to 75...50 to 60 in the mountains. West winds 20 to 30 mph with gusts to 55 mph in the afternoon and evening. .SATURDAY...Mostly cloudy. Cooler. Slight chance of rain and snow. Lows 40 to 50. Highs 50 to 60. .SUNDAY...Mostly clear. Lows 25 to 30. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 25 to 30. Highs 50 to 55. $$ MTZ315-319>330-192200- Southwest Montana- National Weather Service Great Falls MT 600 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. $$ MTZ016>027-059>062-192200- Northeast Montana- National Weather Service Glasgow MT 600 AM MDT Thu Mar 19 2026 .TODAY...Partly cloudy. Highs in the lower to mid 70s. .TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .FRIDAY...Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower to mid 70s. .SATURDAY...Mostly cloudy with a slight chance of light rain. Highs in the lower to mid 60s. Lows in the mid to upper 40s. .SUNDAY...Partly cloudy. Highs in the mid 40s to lower 50s. Lows in the mid to upper 20s. .MONDAY...Mostly cloudy. Highs in the lower to mid 50s. Lows near 30. $$ MTZ028>042-056>058-063>068-192200- South Central and Southeast Montana- National Weather Service Billings MT 600 AM MDT Thu Mar 19 2026 .TODAY...Mostly sunny. Highs in the mid 70s to lower 80s. .TONIGHT...Mostly clear. Lows in the lower 40s to the lower 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s to the upper 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s to the lower 50s. .SATURDAY...Partly sunny. Chance of rain showers. Highs in the mid 60s to upper 70s. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of snow showers. Lows in the upper 20s to the upper 30s. .SUNDAY...Sunny. Slight chance of rain showers and snow showers. Highs in the lower 50s to the lower 60s. .SUNDAY NIGHT...Partly cloudy. Lows in the 30s. .MONDAY...Partly sunny. Highs in the mid 50s to the mid 60s. $$