State Forecast
Issued by NWS
Issued by NWS
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146 FPUS65 KTFX 200752 SFPMT State Forecast For Montana National Weather Service Great Falls MT 152 AM MDT Mon May 20 2024 MTZ001>007-043-211000- West of the Continental Divide- National Weather Service Missoula MT 152 AM MDT Mon May 20 2024 .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms. Widespread frost. Lows in the upper 20s to mid 30s. .MONDAY...Rain showers likely and a slight chance of thunderstorms. Highs in the mid 50s to lower 60s. .MONDAY NIGHT...Partly cloudy. Widespread frost. Lows in the 30s. .TUESDAY...Mostly cloudy. Widespread frost in the morning. Highs in the upper 50s to mid 60s. .WEDNESDAY...Mostly cloudy with rain showers likely. Lows in the upper 30s to mid 40s. Highs in the 50s to lower 60s. .THURSDAY...Rain likely. Lows in the 30s. Highs in the 50s. .FRIDAY...Mostly cloudy with a chance of rain showers. Lows in the 30s. Highs in the upper 50s to mid 60s. $$ MTZ301>314-316>318-211000- Central Montana- National Weather Service Great Falls MT 152 AM MDT Mon May 20 2024 ...FLOOD WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH FRIDAY MORNING FOR Little Belt and Highwood Mountains... .REST OF TONIGHT...Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Patchy fog after midnight. Lows 30 to 35...25 to 30 in the mountains. .MONDAY...Increasing clouds. Areas of fog in the morning. Slight chance of thunderstorms in the afternoon. Highs 55 to 60...40 to 50 in the mountains. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of showers and thunderstorms. Lows 35 to 40...25 to 35 in the mountains. .TUESDAY...Partly cloudy. Chance of rain. Highs 55 to 65. .WEDNESDAY...Rain and slight chance of thunderstorms. Lows around 40. Highs 55 to 65. .THURSDAY...Rain likely. Lows 35 to 40. Highs 45 to 55. .FRIDAY...Mostly cloudy. Chance of rain. Lows 30 to 40. Highs 55 to 65. $$ MTZ315-319>330-211000- Southwest Montana- National Weather Service Great Falls MT 152 AM MDT Mon May 20 2024 .REST OF TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Chance of snow after midnight. Lows 30 to 35...25 to 30 in the mountains. .MONDAY...Mostly cloudy. Chance of snow and rain in the morning. Snow showers likely and slight chance of thunderstorms in the afternoon. Highs 45 to 55...35 to 45 in the mountains. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms through the night. Chance of snow after midnight. Lows 30 to 35...25 to 30 in the mountains. .TUESDAY...Mostly cloudy. Chance of rain showers, snow and slight chance of thunderstorms. Highs 50 to 60. .WEDNESDAY...Rain showers with possible snow and thunderstorms. Lows 30 to 40. Highs 45 to 55. .THURSDAY...Rain, snow and slight chance of thunderstorms. Lows 30 to 35. Highs 35 to 45. .FRIDAY...Mostly cloudy. Chance of rain showers, slight chance of thunderstorms and snow. Lows 25 to 35. Highs 45 to 55. $$ MTZ016>027-059>062-211000- Northeast Montana- National Weather Service Glasgow MT 152 AM MDT Mon May 20 2024 .REST OF TONIGHT...Partly cloudy. A chance of rain showers in the evening. Patchy fog after midnight. Lows in the mid to upper 30s. .MONDAY...Partly cloudy. A chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs near 60. .MONDAY NIGHT...Partly cloudy. A slight chance of rain showers in the evening. Lows near 40. .TUESDAY...Partly cloudy. A slight chance of rain showers in the afternoon and evening. Highs in the lower to mid 60s. .WEDNESDAY...Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs in the mid to upper 60s. Lows near 40. .THURSDAY...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs near 60. Lows in the lower to mid 40s. .FRIDAY...Mostly cloudy with a chance of rain showers. Highs near 60. Lows near 40. $$ MTZ028>042-056>058-063>068-211000- South Central and Southeast Montana- National Weather Service Billings MT 152 AM MDT Mon May 20 2024 ...Winter Storm Warning in effect from 6 AM this morning to noon MDT Tuesday for portions of South Central Montana... ...Winter Weather Advisory in effect from 6 PM this evening to 6 PM MDT Tuesday for portions of South Central Montana... .TODAY...Mostly cloudy. Chance of showers and isolated thunderstorms west...and slight chance of rain east. Highs in the lower 50s to the lower 60s. .TONIGHT...Mostly cloudy. Snow with possible showers and thunderstorms likely west...and slight chance of rain east. Lows in the mid 30s to lower 40s. .TUESDAY...Mostly cloudy. Showers likely and isolated thunderstorms west...and chance of rain east. Highs in the mid 50s to the mid 60s. .TUESDAY NIGHT...Partly cloudy. Chance of showers and isolated thunderstorms west...and slight chance of rain east. Lows in the mid 30s to the mid 40s. .WEDNESDAY...Mostly sunny. Chance of rain. Highs in the lower 60s to the lower 70s. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. West, showers likely. Slight chance of thunderstorms. Showers. East, slight chance of rain, then showers likely and slight chance of thunderstorms. Lows in the upper 30s to the upper 40s. Highs in the lower 50s to mid 60s. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. West, chance of snow showers. Chance of showers and slight chance of thunderstorms. East, showers likely and slight chance of thunderstorms, then chance of showers. Lows in the mid 30s to around 40. Highs in the upper 50s to the upper 60s. $$