330 FPUS65 KTFX 042200 SFPMT State Forecast For Montana National Weather Service Great Falls MT 400 PM MDT Thu Jun 4 2026 MTZ001>007-043-051000- West of the Continental Divide- National Weather Service Missoula MT 400 PM MDT Thu Jun 4 2026 .../NOTICE/ This Area Forecast Product (AFP) and State Forecast Product (SFP) for Montana West of the Continental Divide will be discontinued June 29, 2026... .TONIGHT...Mostly clear. Lows in the upper 30s to mid 40s. .FRIDAY...Mostly sunny. Highs in the 70s to lower 80s. .FRIDAY NIGHT...Mostly cloudy. Lows in the upper 30s to mid 40s. .SATURDAY...Mostly cloudy. Highs in the mid 60s to lower 70s. .SUNDAY...Mostly cloudy with a chance of rain showers. Lows in the 30s to lower 40s. Highs in the upper 50s to mid 60s. .MONDAY...Mostly cloudy. A chance of rain. Lows in the 30s. Highs in the mid 60s to lower 70s. .TUESDAY...Mostly cloudy with rain showers likely. Lows in the mid 30s to lower 40s. Highs in the mid 60s to lower 70s. $$ MTZ301>314-316>318-051000- Central Montana- National Weather Service Great Falls MT 400 PM MDT Thu Jun 4 2026 .TONIGHT...Mostly clear. Lows 40 to 50...35 to 45 in the mountains. .FRIDAY...Sunny. Highs 70 to 80...60 to 70 in the mountains. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 50. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. .SUNDAY...Mostly cloudy. Chance of rain showers. Lows 40 to 45. Highs 55 to 65. .MONDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 35 to 40. Highs 65 to 75. .TUESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 50. Highs 65 to 75. $$ MTZ315-319>330-051000- Southwest Montana- National Weather Service Great Falls MT 400 PM MDT Thu Jun 4 2026 .TONIGHT...Mostly clear. Lows 35 to 45. .FRIDAY...Sunny. Highs 75 to 80...65 to 75 in the mountains. Southwest winds around 20 mph with gusts to 35 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 50. Gusts up to 35 mph in the evening. .SATURDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Highs 65 to 75. .SUNDAY...Mostly cloudy. Cooler. Chance of rain showers, snow showers and slight chance of thunderstorms. Lows 35 to 45. Highs 50 to 60. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 30 to 35. Highs 60 to 70. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 40 to 45. Highs 60 to 70. $$ MTZ016>027-059>062-051000- Northeast Montana- National Weather Service Glasgow MT 400 PM MDT Thu Jun 4 2026 ...SEVERE THUNDERSTORM WATCH 272 IN EFFECT UNTIL 9 PM MDT THIS EVENING... .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows near 50. .FRIDAY...Sunny. Highs in the lower to mid 80s. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the 50s. .SATURDAY...Partly cloudy in the morning, then showers likely and a slight chance of thunderstorms in the afternoon and evening. Highs in the mid to upper 80s. .SUNDAY...Mostly cloudy with a chance of rain showers. Highs in the upper 60s to mid 70s. Lows in the lower to mid 50s. .MONDAY...Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs in the 70s. Lows in the 40s. .TUESDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 70s to mid 80s. Lows in the lower to mid 50s. $$ MTZ028>042-056>058-063>068-051000- South Central and Southeast Montana- National Weather Service Billings MT 400 PM MDT Thu Jun 4 2026 ...Severe Thunderstorm Watch 272 in effect until 9 PM MDT this evening for most of Southeast Montana... .TONIGHT...Mostly clear. Slight chance of rain showers and isolated thunderstorms. Lows in the lower 40s to the lower 50s. .FRIDAY...Sunny. Highs in the lower 80s to the lower 90s. .FRIDAY NIGHT...Mostly clear. Lows of around 50 to around 60. .SATURDAY...Mostly sunny. Highs from around 80 west to the upper 90s east. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the mid 40s to upper 50s. .SUNDAY...Partly sunny. Chance of thunderstorms. Highs from the lower 60s west to the upper 70s east. .SUNDAY NIGHT...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the upper 30s to the upper 40s. .MONDAY...Mostly sunny. Highs in the lower 70s to the lower 80s. .MONDAY NIGHT...Partly cloudy. Slight chance of showers west... and slight chance of thunderstorms east. Lows in the mid 40s to upper 50s. .TUESDAY...Partly sunny. Chance of thunderstorms. Highs in the mid 70s to upper 80s. $$