FPUS65 KTFX 050000 SFPMT State Forecast For Montana National Weather Service Great Falls MT 600 PM MDT Mon May 4 2026 MTZ001>007-043-051000- West of the Continental Divide- National Weather Service Missoula MT 600 PM MDT Mon May 4 2026 .TONIGHT...Partly cloudy. Lows in the 30s to lower 40s. .TUESDAY...Partly cloudy. Highs in the mid 50s to lower 60s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s to mid 30s. .WEDNESDAY...Mostly clear. Highs in the upper 60s to mid 70s. .THURSDAY...Partly cloudy with a chance of rain. Lows in the 40s. Highs in the upper 60s to mid 70s. .FRIDAY...Mostly cloudy. Lows in the 40s. Highs in the upper 60s to mid 70s. .SATURDAY...Mostly cloudy. Lows in the 40s. Highs in the 60s. $$ MTZ301>314-316>318-051000- Central Montana- National Weather Service Great Falls MT 600 PM MDT Mon May 4 2026 .TONIGHT...Mostly cloudy. Slight chance of snow showers. Lows 30 to 35...25 to 30 in the mountains. Gusts up to 35 mph in the evening. .TUESDAY...Mostly cloudy. Chance of snow showers through the day. Chance of rain showers in the afternoon. Highs 45 to 50...35 to 45 in the mountains. North winds 20 to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 25 to 30. .WEDNESDAY...Mostly clear. Much warmer. Highs 60 to 70. .THURSDAY...Mostly cloudy. Chance of rain showers. Lows 40 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Slight chance of rain. Lows 40 to 45. Highs 65 to 75. .SATURDAY...Mostly cloudy. Chance of rain. Lows 40 to 50. Highs 55 to 65. $$ MTZ315-319>330-051000- Southwest Montana- National Weather Service Great Falls MT 600 PM MDT Mon May 4 2026 .TONIGHT...Mostly cloudy. Slight chance of rain showers in the evening. Slight chance of snow showers through the night. Lows 30 to 35...25 to 30 in the mountains. .TUESDAY...Mostly cloudy. Chance of snow showers through the day. Highs 45 to 55...35 to 45 in the mountains. North winds 20 to 25 mph with gusts to 35 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 25 to 30...20 to 25 in the mountains. North winds around 20 mph with gusts to 35 mph in the evening. .WEDNESDAY...Mostly clear. Warmer. Highs 55 to 65. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 35 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Slight chance of rain. Lows 35 to 40. Highs 60 to 70. .SATURDAY...Mostly cloudy. Chance of rain showers, snow and slight chance of thunderstorms. Lows 35 to 45. Highs 50 to 60. $$ MTZ016>027-059>062-051000- Northeast Montana- National Weather Service Glasgow MT 600 PM MDT Mon May 4 2026 .TONIGHT...Mostly cloudy. A slight chance of snow showers after midnight. Lows near 30. .TUESDAY...Mostly cloudy. Highs in the mid 40s to lower 50s. .TUESDAY NIGHT...Partly cloudy. Lows in the 20s. .WEDNESDAY...Sunny in the morning then becoming partly cloudy. Highs in the mid to upper 50s. .THURSDAY...Mostly cloudy with a slight chance of rain showers. Highs in the lower to mid 60s. Lows in the 30s. .FRIDAY...Partly cloudy. Highs near 70. Lows in the mid 30s to lower 40s. .SATURDAY...Mostly cloudy with a chance of rain showers. Highs in the 60s. Lows in the 40s. $$ MTZ028>042-056>058-063>068-051000- South Central and Southeast Montana- National Weather Service Billings MT 600 PM MDT Mon May 4 2026 .TONIGHT...Mostly cloudy. Lows in the upper 20s to mid 30s. .TUESDAY...Partly sunny. Slight chance of snow showers. Highs in the mid 40s to the mid 50s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s to around 30. .WEDNESDAY...Sunny. Highs in the lower 50s to the lower 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows around 30 to the mid 40s. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms west...and chance of showers east. Highs in the lower 60s to the lower 70s. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers. Lows in the upper 30s to mid 40s. .FRIDAY...Mostly sunny. Slight chance of rain showers. Highs in the mid 60s to the mid 70s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. West, chance of showers and slight chance of thunderstorms. East, slight chance of showers, then chance of showers and slight chance of thunderstorms. Lows of around 40 to around 50. Highs in the 60s. $$