FPUS65 KTFX 200100 SFPMT State Forecast For Montana National Weather Service Great Falls MT 700 PM MDT Sun Apr 19 2026 MTZ001>007-043-201000- West of the Continental Divide- National Weather Service Missoula MT 700 PM MDT Sun Apr 19 2026 .TONIGHT...Mostly cloudy. Lows in the mid 30s to lower 40s. .MONDAY...Mostly sunny. Highs in the 70s to lower 80s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s to mid 40s. .TUESDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .WEDNESDAY...Mostly cloudy with rain showers likely. Lows in the 40s. Highs around 60. .THURSDAY...Mostly cloudy with rain and snow likely. Lows in the 30s. Highs in the mid 40s to lower 50s. .FRIDAY...Mostly cloudy with a chance of snow. Lows in the mid 20s to lower 30s. Highs in the mid 40s to lower 50s. $$ MTZ301>314-316>318-201000- Central Montana- National Weather Service Great Falls MT 700 PM MDT Sun Apr 19 2026 .TONIGHT...Increasing clouds. Lows 35 to 45. .MONDAY...Sunny. Highs 70 to 75...60 to 70 in the mountains. .MONDAY NIGHT...Partly cloudy. Lows 40 to 45. .TUESDAY...Partly cloudy. Highs 70 to 80. .WEDNESDAY...Rain showers and slight chance of thunderstorms. Lows 45 to 50. Highs 65 to 75. .THURSDAY...Much colder. Chance of snow and rain. Lows 25 to 35. Highs 35 to 45. .FRIDAY...Mostly cloudy. Chance of snow. Lows in the mid 20s. Highs 35 to 45. $$ MTZ315-319>330-201000- Southwest Montana- National Weather Service Great Falls MT 700 PM MDT Sun Apr 19 2026 .TONIGHT...Increasing clouds. Lows 35 to 45...30 to 40 in the mountains. .MONDAY...Sunny. Highs 65 to 75...55 to 65 in the mountains. .MONDAY NIGHT...Partly cloudy. Lows 35 to 45. .TUESDAY...Partly cloudy. Highs 65 to 75. .WEDNESDAY...Cooler. Rain showers, snow and slight chance of thunderstorms. Lows 35 to 45. Highs 50 to 60. .THURSDAY...Mostly cloudy. Colder. Chance of snow. Lows 25 to 35. Highs 35 to 45. .FRIDAY...Mostly cloudy. Chance of snow. Lows 20 to 25. Highs 35 to 45. $$ MTZ016>027-059>062-201000- Northeast Montana- National Weather Service Glasgow MT 700 PM MDT Sun Apr 19 2026 .TONIGHT...Clear. Lows near 40. .MONDAY...Sunny. Highs in the upper 60s to mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the lower to mid 40s. .TUESDAY...Partly cloudy in the morning then becoming mostly clear. Highs near 80. .WEDNESDAY...Mostly cloudy with a slight chance of showers. Highs near 80. Lows in the lower to mid 50s. .THURSDAY...Rain showers and a chance of snow showers. Highs in the 40s. Lows in the lower to mid 30s. .FRIDAY...Mostly cloudy with a chance of snow showers. Highs near 40. Lows in the mid to upper 20s. $$ MTZ028>042-056>058-063>068-201000- South Central and Southeast Montana- National Weather Service Billings MT 700 PM MDT Sun Apr 19 2026 .TONIGHT...Partly cloudy. Lows in the mid 30s to the mid 40s. .MONDAY...Sunny. Highs in the lower 70s to the lower 80s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s to the upper 40s. .TUESDAY...Sunny. Highs in the 80s. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s to the mid 50s. .WEDNESDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms. Highs from the upper 60s west to the lower 80s east. .WEDNESDAY NIGHT...Showers, snow showers and slight chance of thunderstorms west...and chance of showers and slight chance of thunderstorms east. Lows in the lower 30s to the lower 40s. .THURSDAY...Showers and chance of snow showers west...and showers with snow showers likely east. Highs in the lower 40s to the lower 50s. .THURSDAY NIGHT...Mostly cloudy. Chance of snow showers and rain showers. Lows in the lower 20s to the lower 30s. .FRIDAY...Partly sunny. Chance of snow showers. Highs in the 40s. $$