FPUS65 KTFX 191004 SFPMT State Forecast For Montana National Weather Service Great Falls MT 404 AM MDT Mon May 19 2025 MTZ001>007-043-192200- West of the Continental Divide- National Weather Service Missoula MT 404 AM MDT Mon May 19 2025 .TODAY...Partly cloudy with a slight chance of rain. Highs in the mid 50s to lower 60s. .TONIGHT...Mostly cloudy with a chance of rain. Lows in the 30s. .TUESDAY...Mostly cloudy. Rain likely in the morning, then a chance of rain in the afternoon and evening. Highs in the 50s to lower 60s. .WEDNESDAY...Partly cloudy. Lows in the upper 20s to mid 30s. Highs in the upper 50s to mid 60s. .THURSDAY...Mostly cloudy with a chance of rain. Lows in the 30s to lower 40s. Highs in the 60s. .FRIDAY...Mostly cloudy. Chance of rain showers. Lows in the mid 30s to lower 40s. Highs in the mid 60s to lower 70s. $$ MTZ301>314-316>318-192200- Central Montana- National Weather Service Great Falls MT 404 AM MDT Mon May 19 2025 .TODAY...Mostly cloudy. Patchy dense fog in the morning. Chance of rain showers through the day. Highs 50 to 60...40 to 50 in the mountains. .TONIGHT...Mostly cloudy. Chance of rain showers through the night. Lows 35 to 40...30 to 35 in the mountains. .TUESDAY...Increasing clouds in the afternoon then becoming partly cloudy. Chance of rain showers through the day. Highs 55 to 65...45 to 55 in the mountains. West winds 20 to 25 mph with gusts to 35 mph in the afternoon. .WEDNESDAY...Partly cloudy. Slight chance of rain showers. Lows 35 to 40. Highs 55 to 65. .THURSDAY...Mostly cloudy. Chance of rain showers. Lows 35 to 40. Highs 55 to 65. .FRIDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Highs 60 to 65. $$ MTZ315-319>330-192200- Southwest Montana- National Weather Service Great Falls MT 404 AM MDT Mon May 19 2025 .TODAY...Sunny. Highs 50 to 60...40 to 50 in the mountains. .TONIGHT...Partly cloudy. Lows 25 to 35. .TUESDAY...Mostly cloudy then becoming partly cloudy. Rain and snow showers likely through the day. Slight chance of thunderstorms in the afternoon and evening. Highs 50 to 60... 40 to 50 in the mountains. .WEDNESDAY...Partly cloudy. Lows 25 to 35. Highs 50 to 60. .THURSDAY...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms. Lows 35 to 40. Highs 50 to 60. .FRIDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 30 to 40. Highs 55 to 65. $$ MTZ016>027-059>062-192200- Northeast Montana- National Weather Service Glasgow MT 404 AM MDT Mon May 19 2025 .TODAY...Rain showers. Patchy fog. Highs in the mid to upper 40s. .TONIGHT...Rain showers likely. Patchy fog. Lows in the mid to upper 30s. .TUESDAY...Patchy fog in the morning. Cloudy with a chance of rain showers. Highs in the 50s. .WEDNESDAY...Mostly cloudy with a chance of rain showers. Highs near 60. Lows in the mid to upper 30s. .THURSDAY...Partly cloudy with a slight chance of rain showers. Highs in the mid to upper 60s. Lows in the mid 30s to lower 40s. .FRIDAY...Mostly cloudy with a chance of rain showers. Highs near 60. Lows in the lower to mid 40s. $$ MTZ028>042-056>058-063>068-192200- South Central and Southeast Montana- National Weather Service Billings MT 404 AM MDT Mon May 19 2025 ...Flood Watch in effect through this afternoon for portions of South Central Montana... ...Winter Weather Advisory in effect until Midnight MDT tonight for portions of South Central Montana... .TODAY...Rain. Highs from the upper 50s west to the lower 40s east. .TONIGHT...Cloudy. Isolated showers west...and patchy fog east... and isolated showers west...and rain east. Lows in the mid 30s to around 40. .TUESDAY...Partly sunny. Slight chance of thunderstorms west... and patchy fog east...and chance of showers and slight chance of thunderstorms west...and chance of showers east. Highs in the mid 50s to the mid 60s. .TUESDAY NIGHT...Partly cloudy. Slight chance of rain showers. Lows in the lower 30s to the lower 40s. .WEDNESDAY...Mostly sunny. Chance of rain showers. Highs 60 to 65. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .THURSDAY...Partly sunny. Chance of rain showers. Highs in the lower 60s to the lower 70s. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms. Lows in the lower 40s to the lower 50s. .FRIDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms. Highs in the upper 50s to mid 60s. $$