879 FPUS65 KTFX 210518 SFPMT State Forecast For Montana National Weather Service Great Falls MT 1118 PM MDT Fri Aug 20 2021 MTZ001>007-043-211000- West of the Continental Divide- National Weather Service Missoula MT 1118 PM MDT Fri Aug 20 2021 .TONIGHT...Cloudy with a chance of showers and thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Lows in the 40s. .SATURDAY...Rain showers likely and a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Highs in the 60s. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers. Areas of fog. Lows in the 40s. .SUNDAY...Mostly cloudy with a chance of rain in the morning, then mostly clear in the afternoon and evening. Areas of fog in the morning. Highs in the 70s. .MONDAY...Mostly clear. Lows in the upper 30s to mid 40s. Highs in the upper 60s to mid 70s. .TUESDAY...Mostly clear. Lows in the mid 30s to lower 40s. Highs in the 70s. .WEDNESDAY...Partly cloudy. Lows in the upper 30s to mid 40s. Highs in the mid 70s to lower 80s. $$ MTZ009>014-044>051-054-211000- Central Montana- National Weather Service Great Falls MT 1118 PM MDT Fri Aug 20 2021 .REST OF TONIGHT...Partly cloudy late in the evening then becoming mostly cloudy. Patchy fog through the night. Slight chance of rain late in the evening. Chance of rain after midnight. Lows 45 to 50...40 to 45 in the mountains. .SATURDAY...Cloudy. Patchy fog in the morning. Chance of rain in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 70...55 to 65 in the mountains. Southeast winds 20 to 25 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms through the night. Haze and patchy fog after midnight. Lows 45 to 50. .SUNDAY...Mostly clear. Haze. Slight chance of rain. Highs 65 to 75. West winds 20 to 25 mph with gusts to 40 mph. .MONDAY...Mostly clear. Lows 45 to 50. Highs 65 to 75. .TUESDAY...Mostly clear. Lows 40 to 45. Highs 60 to 70. .WEDNESDAY...Partly cloudy. Lows 40 to 45. Highs 65 to 75. $$ MTZ008-015-052-053-055-211000- Southwest Montana- National Weather Service Great Falls MT 1118 PM MDT Fri Aug 20 2021 .REST OF TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 50. .SATURDAY...Mostly cloudy. Patchy fog in the morning. Chance of rain in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 65 to 70...55 to 65 in the mountains. .SATURDAY NIGHT...Mostly cloudy. Rain showers and chance of thunderstorms through the night. Haze and patchy fog after midnight. Lows 40 to 50. .SUNDAY...Mostly clear. Haze. Slight chance of rain. Highs 65 to 75. .MONDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75. .TUESDAY...Mostly clear. Lows 40 to 45. Highs 65 to 75. .WEDNESDAY...Partly cloudy. Lows 40 to 45. Highs 65 to 75. $$ MTZ016>027-059>062-211000- Northeast Montana- National Weather Service Glasgow MT 1118 PM MDT Fri Aug 20 2021 .REST OF TONIGHT...Partly cloudy. Lows in the 40s. .SATURDAY...Partly cloudy. Highs near 70. .SATURDAY NIGHT...A chance of showers in the evening, then showers likely and a slight chance of thunderstorms after midnight. Lows in the lower to mid 50s. .SUNDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms in the morning, then mostly clear with a slight chance of showers in the afternoon and evening. Highs in the lower to mid 70s. .MONDAY...Mostly clear. A slight chance of showers. Highs in the upper 70s to mid 80s. Lows near 50. .TUESDAY...Mostly clear. Highs near 70. Lows in the mid 40s to lower 50s. .WEDNESDAY...Partly cloudy. Highs in the 70s. Lows in the 40s. $$ MTZ028>042-056>058-063>068-211000- South Central and Southeast Montana- National Weather Service Billings MT 1118 PM MDT Fri Aug 20 2021 .REST OF TONIGHT...Partly cloudy. Patchy fog overnight. Lows of around 40 to around 50. .SATURDAY...Increasing clouds. Patchy morning fog. Chance of afternoon rain showers and isolated thunderstorms. Highs in the upper 60s to around 80. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and isolated thunderstorms. Lows in the upper 40s to the upper 50s. .SUNDAY...Mostly sunny. Chance of rain showers. Highs in the mid 70s to lower 80s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to the mid 50s. .MONDAY...Sunny. Highs in the upper 70s to around 90. .MONDAY NIGHT...Mostly clear. Slight chance of rain showers. Lows in the lower 40s to mid 50s. .TUESDAY...Sunny. Highs of around 70 to around 80. .TUESDAY NIGHT...Mostly clear. Slight chance of rain showers. Lows in the lower 40s to the lower 50s. .WEDNESDAY...Mostly sunny. Slight chance of rain showers. Highs in the mid 70s to the mid 80s. $$