FPUS65 KTFX 302300 SFPMT State Forecast For Montana National Weather Service Great Falls MT 500 PM MDT Thu Apr 30 2026 MTZ001>007-043-011000- West of the Continental Divide- National Weather Service Missoula MT 500 PM MDT Thu Apr 30 2026 .TONIGHT...Mostly clear. Lows in the 30s. .FRIDAY...Mostly sunny. Highs in the upper 60s to mid 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .SATURDAY...Mostly cloudy. Highs in the upper 60s to mid 70s. .SUNDAY...Partly cloudy. Lows in the upper 30s to mid 40s. Highs in the 70s. .MONDAY...Partly cloudy. Lows in the upper 30s to mid 40s. Highs in the 70s. .TUESDAY...Mostly clear. Lows in the upper 30s to mid 40s. Highs in the upper 60s to mid 70s. $$ MTZ301>314-316>318-011000- Central Montana- National Weather Service Great Falls MT 500 PM MDT Thu Apr 30 2026 .TONIGHT...Mostly clear. Lows 35 to 40. .FRIDAY...Sunny. Highs 65 to 75...55 to 65 in the mountains. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 45...35 to 40 in the mountains. .SATURDAY...Mostly cloudy. Slight chance of rain. Highs 60 to 70. .SUNDAY...Partly cloudy. Slight chance of rain. Lows around 40. Highs 65 to 75. .MONDAY...Mostly cloudy. Slight chance of rain. Lows 40 to 45. Highs 60 to 65. .TUESDAY...Mostly cloudy. Slight chance of rain. Lows 35 to 40. Highs 55 to 60. $$ MTZ315-319>330-011000- Southwest Montana- National Weather Service Great Falls MT 500 PM MDT Thu Apr 30 2026 .TONIGHT...Mostly clear. Lows 25 to 35. .FRIDAY...Sunny. Highs 60 to 70...50 to 60 in the mountains. .FRIDAY NIGHT...Mostly clear. Lows 30 to 40. .SATURDAY...Partly cloudy. Highs 60 to 70. .SUNDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 35 to 40. Highs 60 to 70. .MONDAY...Partly cloudy. Slight chance of rain. Lows 35 to 40. Highs 60 to 70. .TUESDAY...Partly cloudy. Slight chance of rain. Lows 35 to 40. Highs 55 to 65. $$ MTZ016>027-059>062-011000- Northeast Montana- National Weather Service Glasgow MT 500 PM MDT Thu Apr 30 2026 .TONIGHT...Partly cloudy. Lows in the lower to mid 30s. .FRIDAY...Sunny. Highs in the mid 60s to lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s. .SATURDAY...Mostly cloudy. Highs in the mid 60s to lower 70s. .SUNDAY...Partly cloudy. Highs near 70. Lows near 40. .MONDAY...Mostly cloudy. Highs in the lower to mid 60s. Lows in the lower to mid 40s. .TUESDAY...Mostly cloudy with a slight chance of rain showers. Highs in the 50s. Lows in the mid to upper 30s. $$ MTZ028>042-056>058-063>068-011000- South Central and Southeast Montana- National Weather Service Billings MT 500 PM MDT Thu Apr 30 2026 .TONIGHT...Mostly clear. Lows in the upper 20s to mid 30s. .FRIDAY...Sunny. Highs in the lower 60s to the lower 70s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s. .SATURDAY...Sunny. Highs in the upper 60s to mid 70s. .SATURDAY NIGHT...Mostly cloudy. Slight chance of rain showers. Lows around 40 to the mid 40s. .SUNDAY...Partly sunny. Slight chance of thunderstorms. Highs in the lower 60s to the lower 70s. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the upper 30s to the upper 40s. Highs in the lower 60s to the lower 70s. .MONDAY NIGHT...Mostly cloudy. Slight chance of rain showers. Lows in the mid 30s to lower 40s. .TUESDAY...Partly sunny. Chance of rain showers. Highs in the mid 50s to the mid 60s. $$