FPUS65 KTFX 040000 SFPMT State Forecast For Montana National Weather Service Great Falls MT 600 PM MDT Sun May 3 2026 MTZ001>007-043-041000- West of the Continental Divide- National Weather Service Missoula MT 600 PM MDT Sun May 3 2026 .TONIGHT...Partly cloudy. Lows in the upper 30s to mid 40s. .MONDAY...Partly cloudy. Highs in the 60s. .MONDAY NIGHT...Partly cloudy. Lows in the 30s. .TUESDAY...Mostly clear. Highs in the upper 50s to mid 60s. .WEDNESDAY...Mostly clear. Lows in the 30s. Highs in the upper 60s to mid 70s. .THURSDAY...Partly cloudy. Lows in the 40s. Highs in the 70s. .FRIDAY...Mostly cloudy. Lows in the upper 30s to mid 40s. Highs in the 70s. $$ MTZ301>314-316>318-041000- Central Montana- National Weather Service Great Falls MT 600 PM MDT Sun May 3 2026 .TONIGHT...Increasing clouds. Slight chance of rain after midnight. Lows 35 to 45...30 to 40 in the mountains. .MONDAY...Mostly cloudy. Slight chance of rain through the day. Slight chance of snow in the afternoon. Highs 50 to 60...40 to 50 in the mountains. North winds 20 to 25 mph with gusts to 35 mph in the afternoon. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Colder. Lows 30 to 35...25 to 30 in the mountains. .TUESDAY...Partly cloudy. Slight chance of snow. Highs 45 to 55. .WEDNESDAY...Mostly clear. Lows 25 to 30. Highs 60 to 70. .THURSDAY...Mostly cloudy. Chance of rain. Lows 40 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Slight chance of rain. Lows 40 to 45. Highs 65 to 75. $$ MTZ315-319>330-041000- Southwest Montana- National Weather Service Great Falls MT 600 PM MDT Sun May 3 2026 .TONIGHT...Mostly clear. Lows 35 to 40...30 to 35 in the mountains. .MONDAY...Mostly cloudy in the morning then becoming partly cloudy. Slight chance of rain through the day. Slight chance of snow in the afternoon. Highs 50 to 60...45 to 55 in the mountains. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 30 to 35...25 to 30 in the mountains. .TUESDAY...Partly cloudy. Slight chance of snow. Highs 45 to 55. .WEDNESDAY...Mostly clear. Lows 25 to 30. Highs 55 to 65. .THURSDAY...Mostly cloudy. Chance of rain. Lows 35 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Lows 35 to 40. Highs 60 to 70. $$ MTZ016>027-059>062-041000- Northeast Montana- National Weather Service Glasgow MT 600 PM MDT Sun May 3 2026 .TONIGHT...Cloudy. A slight chance of rain showers after midnight. Lows in the upper 30s to mid 40s. .MONDAY...Mostly cloudy with a slight chance of rain showers. Highs in the lower to mid 50s. .MONDAY NIGHT...Mostly cloudy. Lows near 30. .TUESDAY...Mostly cloudy. A slight chance of snow showers in the morning. Highs near 50. .WEDNESDAY...Mostly clear. Highs in the mid 50s to lower 60s. Lows in the mid to upper 20s. .THURSDAY...Mostly cloudy with a slight chance of rain showers. Highs in the mid to upper 60s. Lows in the 30s. .FRIDAY...Partly cloudy. Highs near 70. Lows in the mid 30s to lower 40s. $$ MTZ028>042-056>058-063>068-041000- South Central and Southeast Montana- National Weather Service Billings MT 600 PM MDT Sun May 3 2026 .TONIGHT...Partly cloudy. Lows in the upper 30s to the upper 40s. .MONDAY...Mostly cloudy. Slight chance of rain showers. Highs in the 50s. .MONDAY NIGHT...Mostly cloudy. Slight chance of rain showers. Lows in the upper 20s to mid 30s. .TUESDAY...Partly sunny. Chance of snow showers and rain showers. Highs in the upper 40s to the upper 50s. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the mid 20s to lower 30s. Highs in the mid 50s to upper 60s. .WEDNESDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows in the lower 30s to upper 40s. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs in the lower 60s to around 70. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers. Lows in the upper 30s to mid 40s. .FRIDAY...Mostly sunny. Highs in the upper 60s to the upper 70s. $$