FPUS65 KTFX 070030 SFPMT State Forecast For Montana National Weather Service Great Falls MT 630 PM MDT Wed May 6 2026 MTZ001>007-043-071000- West of the Continental Divide- National Weather Service Missoula MT 630 PM MDT Wed May 6 2026 .TONIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows in the upper 30s to mid 40s. .THURSDAY...Partly cloudy with a slight chance of rain. Highs in the upper 60s to mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .FRIDAY...Mostly cloudy. Highs in the upper 60s to mid 70s. .SATURDAY...Mostly clear. Lows in the upper 30s to mid 40s. Highs in the upper 60s to mid 70s. .SUNDAY...Partly cloudy. Lows in the upper 30s to mid 40s. Highs in the upper 70s to mid 80s. .MONDAY...Partly cloudy. Lows in the 40s. Highs in the mid 70s to lower 80s. $$ MTZ301>314-316>318-071000- Central Montana- National Weather Service Great Falls MT 630 PM MDT Wed May 6 2026 .TONIGHT...Mostly cloudy. Slight chance of rain showers in the evening. Chance of rain showers after midnight. Lows 40 to 50... 35 to 45 in the mountains. .THURSDAY...Mostly cloudy. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Highs 60 to 70...50 to 60 in the mountains. .THURSDAY NIGHT...Mostly cloudy. Lows 40 to 45...35 to 40 in the mountains. .FRIDAY...Mostly cloudy. Chance of rain showers. Highs 65 to 75. .SATURDAY...Mostly cloudy. Chance of rain showers. Lows 45 to 50. Highs 60 to 70. .SUNDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 80. .MONDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75. $$ MTZ315-319>330-071000- Southwest Montana- National Weather Service Great Falls MT 630 PM MDT Wed May 6 2026 .TONIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Lows 40 to 45...35 to 40 in the mountains. Gusts up to 35 mph in the evening. .THURSDAY...Partly cloudy. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Highs 60 to 70...50 to 60 in the mountains. .THURSDAY NIGHT...Partly cloudy. Lows 35 to 40. .FRIDAY...Mostly cloudy. Highs 60 to 70. .SATURDAY...Mostly clear. Lows 35 to 45. Highs 60 to 70. .SUNDAY...Partly cloudy. Lows 35 to 40. Highs 65 to 75. .MONDAY...Partly cloudy. Lows 40 to 45. Highs 65 to 75. $$ MTZ016>027-059>062-071000- Northeast Montana- National Weather Service Glasgow MT 630 PM MDT Wed May 6 2026 .TONIGHT...Mostly cloudy. Lows in the lower to mid 30s. .THURSDAY...Mostly cloudy. A slight chance of rain showers in the afternoon. Highs in the mid 60s to lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows near 40. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a slight chance of rain showers in the afternoon and evening. Highs in the lower to mid 70s. .SATURDAY...Mostly cloudy with a chance of rain showers. Highs in the lower to mid 60s. Lows in the mid to upper 40s. .SUNDAY...Partly cloudy. Highs in the 70s. Lows near 40. .MONDAY...Partly cloudy. Highs in the mid to upper 70s. Lows in the mid 40s to lower 50s. $$ MTZ028>042-056>058-063>068-071000- South Central and Southeast Montana- National Weather Service Billings MT 630 PM MDT Wed May 6 2026 .TONIGHT...Mostly cloudy. Chance of rain showers. Lows from the upper 40s west to around 30 east. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs in the lower 60s to the lower 70s. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain showers. Lows in the upper 30s to mid 40s. .FRIDAY...Mostly sunny. Highs in the upper 60s to mid 70s. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly cloudy. Chance of showers west...and showers likely and chance of thunderstorms east. Highs in the lower 60s to around 70. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 30s to lower 40s. Highs in the lower 70s to the lower 80s. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 40s to lower 50s. Highs in the mid 70s to the mid 80s. $$