FPUS65 KTFX 190501 SFPMT State Forecast For Montana National Weather Service Great Falls MT 1100 PM MDT Wed Mar 18 2026 MTZ001>007-043-191000- West of the Continental Divide- National Weather Service Missoula MT 1100 PM MDT Wed Mar 18 2026 .TONIGHT...Mostly cloudy with a slight chance of rain. Lows in the mid 30s to lower 40s. .THURSDAY...Partly cloudy with a chance of rain. Highs in the 60s to lower 70s. .THURSDAY NIGHT...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. Lows in the lower 40s. Highs in the 50s. .SUNDAY...Mostly clear. Lows in the 20s to lower 30s. Highs in the 50s. .MONDAY...Mostly cloudy. Lows in the mid 20s to lower 30s. Highs in the 50s. $$ MTZ301>314-316>318-191000- Central Montana- National Weather Service Great Falls MT 1100 PM MDT Wed Mar 18 2026 ...HIGH WIND WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT THURSDAY NIGHT FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern High Plains... .REST OF TONIGHT...Partly cloudy. Lows 40 to 50...35 to 45 in the mountains. Southwest winds 20 to 30 mph with gusts to 45 mph. .THURSDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 60 to 70...45 to 55 in the mountains. West winds 25 to 35 mph with gusts to 60 mph. .THURSDAY NIGHT...Partly cloudy. Lows 45 to 50. West winds 20 to 25 mph with gusts to 45 mph in the evening. .FRIDAY...Mostly cloudy. Highs 65 to 75. West winds 20 to 30 mph with gusts to 55 mph. .SATURDAY...Mostly cloudy. Cooler. Slight chance of rain and snow. Lows 40 to 50. Highs 50 to 60. .SUNDAY...Mostly clear. Lows 25 to 30. Highs 45 to 55. .MONDAY...Mostly cloudy. Lows 25 to 30. Highs 50 to 55. $$ MTZ315-319>330-191000- Southwest Montana- National Weather Service Great Falls MT 1100 PM MDT Wed Mar 18 2026 .REST OF TONIGHT...Partly cloudy. Lows 35 to 45. .THURSDAY...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. .THURSDAY NIGHT...Partly cloudy. Lows 35 to 45. Gusts up to 35 mph in the evening. .FRIDAY...Partly cloudy. Highs 60 to 70. Southwest winds 20 to 25 mph with gusts to 50 mph. .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. $$ MTZ016>027-059>062-191000- Northeast Montana- National Weather Service Glasgow MT 1100 PM MDT Wed Mar 18 2026 .TONIGHT...Partly cloudy. Lows near 40. .THURSDAY...Partly cloudy. Highs near 70. .THURSDAY NIGHT...Mostly clear. Lows in the 40s. .FRIDAY...Partly cloudy in the morning then becoming mostly cloudy. Highs in the mid to upper 60s. .SATURDAY...Mostly cloudy with a slight chance of light rain. Highs in the upper 50s to mid 60s. Lows in the lower to mid 40s. .SUNDAY...Partly cloudy. Highs in the mid 40s to lower 50s. Lows in the 20s. .MONDAY...Mostly cloudy. Highs in the lower to mid 50s. Lows near 30. $$ MTZ028>042-056>058-063>068-191000- South Central and Southeast Montana- National Weather Service Billings MT 1100 PM MDT Wed Mar 18 2026 ...High Wind Warning in effect until 9 PM MDT this evening for portions of South Central Montana... ...Wind Advisory in effect until 9 PM MDT this evening for portions of South Central Montana... .TONIGHT...Strong crosswinds near Livingston. Partly cloudy. Lows in the upper 30s to the upper 40s. .THURSDAY...Mostly sunny. Highs in the 70s. .THURSDAY NIGHT...Partly cloudy. Lows of around 40 to around 50. .FRIDAY...Mostly sunny. Highs in the lower 70s to the lower 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s to the lower 50s. .SATURDAY...Partly sunny. Chance of rain. Highs in the mid 60s to the mid 70s. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of snow showers. Lows in the upper 20s to mid 30s. .SUNDAY...Mostly sunny. Slight chance of rain showers. Highs of around 50 to around 60. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s to the upper 30s. .MONDAY...Partly sunny. Highs in the mid 50s to the mid 60s. $$