FPUS65 KTFX 201230 SFPMT State Forecast For Montana National Weather Service Great Falls MT 630 AM MDT Fri Mar 20 2026 MTZ001>007-043-202200- West of the Continental Divide- National Weather Service Missoula MT 630 AM MDT Fri Mar 20 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 lower 40s. .SATURDAY...Mostly cloudy. Rain likely in the morning, then a chance of rain in the afternoon and evening. Highs in the 50s to lower 60s. .SUNDAY...Mostly clear. Lows in the upper 20s. Highs in the upper 40s to mid 50s. .MONDAY...Mostly cloudy. Lows in the mid 20s to lower 30s. Highs in the 50s to lower 60s. .TUESDAY...Mostly cloudy with a chance of rain. Lows in the upper 20s to mid 30s. Highs in the mid 50s to lower 60s. $$ MTZ301>314-316>318-202200- Central Montana- National Weather Service Great Falls MT 630 AM MDT Fri Mar 20 2026 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern Rocky Mountain Front...Southern High Plains... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO NOON MDT SATURDAY FOR Cascade County below 5000ft...Judith Basin County and Judith Gap...Fergus County below 4500ft...Little Belt and Highwood Mountains... .TODAY...Mostly cloudy in the morning then becoming partly cloudy. Patchy blowing dust in the afternoon. Highs 70 to 80... 55 to 65 in the mountains. Southwest winds 20 to 25 mph with gusts to 50 mph shifting to the west 25 to 35 mph with gusts to 60 mph in the afternoon. .TONIGHT...Partly cloudy. Lows 45 to 55...40 to 50 in the mountains. West winds 20 to 30 mph. Gusts up to 60 mph decreasing to 50 mph after midnight. .SATURDAY...Mostly cloudy then becoming partly cloudy. Chance of rain through the day. Slight chance of snow in the afternoon and evening. Highs 50 to 60...45 to 55 in the mountains. Northwest winds 20 to 30 mph with gusts to 40 mph. .SUNDAY...Mostly clear. Lows 25 to 30. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 25 to 30. Highs 50 to 60. .TUESDAY...Mostly cloudy. Slight chance of rain. Lows 25 to 35. Highs 50 to 60. $$ MTZ315-319>330-202200- Southwest Montana- National Weather Service Great Falls MT 630 AM MDT Fri Mar 20 2026 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 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... .TODAY...Sunny. Highs 70 to 80...55 to 65 in the mountains. Southwest winds 20 to 30 mph. Gusts up to 40 mph increasing to 50 mph in the afternoon. .TONIGHT...Partly cloudy. Lows 40 to 50. Southwest winds 20 to 25 mph with gusts to 45 mph in the evening. .SATURDAY...Increasing clouds. Chance of rain in the afternoon and evening. Highs 60 to 70...50 to 60 in the mountains. West winds 20 to 30 mph with gusts to 50 mph in the afternoon and evening. .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 30 to 35. Highs 55 to 65. $$ MTZ016>027-059>062-202200- Northeast Montana- National Weather Service Glasgow MT 630 AM MDT Fri Mar 20 2026 .TODAY...Partly cloudy. Highs in the upper 60s to mid 70s. .TONIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly cloudy. A slight chance of light rain in the afternoon and evening. Highs in the lower to mid 60s. .SUNDAY...Partly cloudy. Highs near 50. Lows near 30. .MONDAY...Mostly cloudy. Highs in the 50s. Lows near 30. .TUESDAY...Mostly cloudy with a slight chance of light rain. Highs in the 50s. Lows near 30. $$ MTZ028>042-056>058-063>068-202200- South Central and Southeast Montana- National Weather Service Billings MT 630 AM MDT Fri Mar 20 2026 ...Wind Advisory in effect until 6 PM MDT this evening for portions of South Central Montana... .TODAY...Strong crosswinds near Livingston. Sunny. Highs in the mid 70s to lower 80s. .TONIGHT...Partly cloudy. Lows in the lower 40s to the lower 50s. .SATURDAY...Mostly sunny. Chance of rain showers. Highs in the upper 60s to the upper 70s. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of snow showers. Lows in the lower 30s to around 40. .SUNDAY...Sunny. Highs in the lower 50s to the lower 60s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s to the upper 30s. .MONDAY THROUGH TUESDAY...Mostly cloudy. Lows of around 30 to around 40. Highs in the upper 50s to the upper 60s. $$