FPUS65 KTFX 282200 SFPMT State Forecast For Montana National Weather Service Great Falls MT 400 PM MDT Thu May 28 2026 MTZ001>007-043-291000- West of the Continental Divide- National Weather Service Missoula MT 400 PM MDT Thu May 28 2026 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Some thunderstorms may produce gusty winds and small hail. Lows in the mid 40s to lower 50s. .FRIDAY...Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs in the upper 70s to mid 80s. .FRIDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows in the 40s. .SATURDAY...Rain likely in the morning, then rain showers likely in the afternoon and evening. Highs in the 60s. .SUNDAY...Rain showers likely. Lows in the mid 30s to lower 40s. Highs in the 50s to lower 60s. .MONDAY...Mostly cloudy with a chance of rain. Lows in the mid 30s to lower 40s. Highs in the 60s. .TUESDAY...Partly cloudy. Lows in the mid 30s to lower 40s. Highs in the upper 60s to mid 70s. $$ MTZ301>314-316>318-291000- Central Montana- National Weather Service Great Falls MT 400 PM MDT Thu May 28 2026 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of thunderstorms in the evening. Slight chance of showers through the night. Lows 50 to 60. .FRIDAY...Increasing clouds. Slight chance of thunderstorms in the afternoon. Highs 85 to 95...65 to 75 in the mountains. .FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Lows 50 to 60...45 to 55 in the mountains. .SATURDAY...Cloudy. Rain showers and slight chance of thunderstorms. Highs 65 to 75. .SUNDAY...Rain showers and slight chance of thunderstorms. Lows 40 to 50. Highs 55 to 65. .MONDAY...Rain likely and slight chance of thunderstorms. Lows 40 to 45. Highs 55 to 65. .TUESDAY...Mostly cloudy. Chance of rain and slight chance of thunderstorms. Lows 35 to 45. Highs 60 to 70. $$ MTZ315-319>330-291000- Southwest Montana- National Weather Service Great Falls MT 400 PM MDT Thu May 28 2026 .TONIGHT...Partly cloudy. Slight chance of rain showers in the evening. Lows 40 to 55. .FRIDAY...Increasing clouds. Slight chance of thunderstorms in the afternoon. Highs 75 to 85...65 to 75 in the mountains. .FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Lows 40 to 50. .SATURDAY...Cloudy, cooler. Rain showers and chance of thunderstorms. Highs 50 to 60. .SUNDAY...Rain showers, snow and slight chance of thunderstorms. Lows 30 to 40. Highs 45 to 55. .MONDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 30 to 40. Highs 55 to 65. .TUESDAY...Partly cloudy. Lows 35 to 40. Highs 60 to 70. $$ MTZ016>027-059>062-291000- Northeast Montana- National Weather Service Glasgow MT 400 PM MDT Thu May 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING... .REST OF TODAY...Partly cloudy. Highs in the lower to mid 90s. .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower to mid 60s. .FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon and evening. Highs in the lower to mid 90s. .SATURDAY...Showers and a chance of thunderstorms. Highs in the lower to mid 80s. Lows near 60. .SUNDAY...Showers likely and a chance of thunderstorms. Highs in the 70s. Lows in the lower to mid 50s. .MONDAY...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs near 70. Lows in the mid to upper 40s. $$ MTZ028>042-056>058-063>068-291000- South Central and Southeast Montana- National Weather Service Billings MT 400 PM MDT Thu May 28 2026 .TONIGHT...Mostly cloudy. Slight chance of thunderstorms. Lows in the upper 40s to lower 60s. .FRIDAY...Mostly sunny. Slight chance of thunderstorms. Highs in the mid 80s to the mid 90s. .FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms. Lows in the lower 50s to the lower 60s. .SATURDAY...Rain showers and chance of thunderstorms. Highs from the mid 60s west to the mid 80s east. .SATURDAY NIGHT...Rain showers and chance of thunderstorms. Lows in the lower 40s to mid 50s. .SUNDAY...Rain showers likely and chance of thunderstorms. Highs from the mid 50s west to the mid 70s east. .SUNDAY NIGHT AND MONDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the upper 30s to the upper 40s. Highs in the mid 60s to lower 70s. .MONDAY NIGHT...Partly cloudy. Slight chance of thunderstorms. Lows in the upper 30s to the upper 40s. .TUESDAY...Mostly sunny. Slight chance of rain showers. Highs in the 70s. $$