FPUS65 KTFX 180008 SFPMT State Forecast For Montana National Weather Service Great Falls MT 608 PM MDT Tue Sep 17 2024 MTZ001>007-043-181000- West of the Continental Divide- National Weather Service Missoula MT 608 PM MDT Tue Sep 17 2024 .TONIGHT...Rain showers likely and a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the 40s. .WEDNESDAY...Mostly cloudy with a chance of rain. Highs in the 60s to lower 70s. .WEDNESDAY NIGHT...Partly cloudy. Patchy fog. Lows in the mid 30s to lower 40s. .THURSDAY...Partly cloudy. Patchy fog in the morning. Highs in the upper 60s to mid 70s. .FRIDAY...Mostly clear. A chance of rain. Patchy fog. Lows in the mid 30s to lower 40s. Highs in the mid 60s to lower 70s. .SATURDAY...Partly cloudy. Patchy fog. Lows in the 30s. Highs in the 60s. .SUNDAY...Partly cloudy. Lows in the 30s. Highs in the 60s to lower 70s. $$ MTZ301>314-316>318-181000- Central Montana- National Weather Service Great Falls MT 608 PM MDT Tue Sep 17 2024 ...FLOOD WATCH IN EFFECT THROUGH LATE WEDNESDAY NIGHT FOR Bears Paw Mountains and Southern Blaine...Judith Basin County and Judith Gap...Fergus County below 4500ft...Little Belt and Highwood Mountains...Snowy and Judith Mountains... .TONIGHT...Rain showers and scattered thunderstorms. Some thunderstorms may produce gusty winds, large hail, and heavy rainfall. Lows 50 to 55...40 to 50 in the mountains. Northwest winds around 20 mph with gusts to 35 mph after midnight. .WEDNESDAY...Cloudy. Rain showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs 55 to 65... 45 to 55 in the mountains. Northwest winds 20 to 30 mph with gusts to 45 mph. .WEDNESDAY NIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms through the night. Chance of rain after midnight. Some thunderstorms may produce heavy rainfall. Lows 45 to 50. Northwest winds 20 to 30 mph with gusts to 50 mph. .THURSDAY...Mostly clear. Highs 65 to 75. .FRIDAY...Partly cloudy. Chance of rain. Lows 45 to 50. Highs 60 to 70. .SATURDAY...Mostly cloudy. Slight chance of rain. Lows around 40. Highs 55 to 65. .SUNDAY...Mostly cloudy. Slight chance of rain. Lows around 40. Highs 55 to 65. $$ MTZ315-319>330-181000- Southwest Montana- National Weather Service Great Falls MT 608 PM MDT Tue Sep 17 2024 ...FLASH FLOOD WATCH IN EFFECT THROUGH WEDNESDAY AFTERNOON FOR Big Belt, Bridger and Castle Mountains... .TONIGHT...Rain showers and scattered thunderstorms. Some thunderstorms may produce gusty winds and heavy rainfall. Lows 40 to 50...35 to 45 in the mountains. West winds 20 to 25 mph with gusts to 35 mph after midnight. .WEDNESDAY...Cloudy. Rain showers and slight chance of thunderstorms in the morning, then rain likely in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Highs 50 to 60...40 to 50 in the mountains. West winds 20 to 30 mph with gusts to 35 mph. .WEDNESDAY NIGHT...Mostly cloudy. Chance of rain through the night. Lows 35 to 45. Gusts up to 40 mph after midnight. .THURSDAY...Partly cloudy. Highs 55 to 65. .FRIDAY...Partly cloudy. Slight chance of rain. Lows 35 to 45. Highs 60 to 70. .SATURDAY...Partly cloudy. Slight chance of rain. Lows 35 to 40. Highs 50 to 60. .SUNDAY...Partly cloudy. Lows 35 to 40. Highs 50 to 60. $$ MTZ016>027-059>062-181000- Northeast Montana- National Weather Service Glasgow MT 608 PM MDT Tue Sep 17 2024 .TONIGHT...A chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Some thunderstorms may be severe. Lows in the mid to upper 50s. .WEDNESDAY...Showers and a chance of thunderstorms in the morning, then showers and a slight chance of thunderstorms in the afternoon. Highs in the mid 60s to lower 70s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower to mid 50s. .THURSDAY...Mostly cloudy with a chance of showers in the morning, then mostly clear in the afternoon and evening. Highs near 70. .FRIDAY...Partly cloudy with a slight chance of rain showers. Highs in the lower to mid 70s. Lows in the mid 40s to lower 50s. .SATURDAY...Partly cloudy with a slight chance of rain showers. Highs near 60. Lows in the lower to mid 40s. .SUNDAY...Partly cloudy with a slight chance of rain showers. Highs in the 60s. Lows in the lower to mid 40s. $$ MTZ028>042-056>058-063>068-181000- South Central and Southeast Montana- National Weather Service Billings MT 608 PM MDT Tue Sep 17 2024 ...High Wind Watch in effect from Wednesday morning through Wednesday evening for portions of South Central Montana... .TONIGHT...Cloudy. Chance of thunderstorms. Lows in the mid 40s to the mid 50s. .WEDNESDAY...Rain showers and slight chance of thunderstorms. Highs around 60 to the upper 60s. .WEDNESDAY NIGHT...Chance of showers west...and showers likely and slight chance of thunderstorms east. Lows in the mid 40s to the mid 50s. .THURSDAY...Mostly sunny. Highs in the upper 60s to the upper 70s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s to the lower 50s. .FRIDAY...Mostly sunny. Slight chance of rain showers. Highs in the lower to mid 70s. .FRIDAY NIGHT...Mostly cloudy. Slight chance of rain showers. Lows in the upper 30s to the upper 40s. .SATURDAY THROUGH SUNDAY...Partly cloudy. Slight chance of rain showers. Lows in the upper 30s to the upper 40s. Highs in the lower 60s to around 70. $$