Issued by the National Weather Service, last updated at 7:09 PM on July 24, 2026
Special Weather StatementNWS: A STRONG THUNDERSTORM WILL IMPACT COLLETON AND DORCHESTER COUNTIES UNTIL 730 PM EDT.
Special Weather StatementNWS: THUNDERSTORMS APPROACHING LAKE MOULTRIE AND EASTERN LAKE MARION... ...MARINERS SHOULD SEEK SAFE HARBOR.
Flood Watchfor Inland Colleton; Dorchester; Inland Berkeley; Coastal Colleton; Charleston; Tidal Berkeleyuntil 12:00 AM on July 25, 2026
Charleston Area NWS Forecast
Forecast for Charleston updated at 5:37 PM on July 24, 2026
TonightMostly cloudy. A chance of showers and thunderstorms, mainly this evening. Some thunderstorms may produce heavy rainfall this evening. Lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 50 percent.
SaturdayPartly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers with thunderstorms likely in the afternoon. Highs in the lower 90s. Heat index values up to 107. Southwest winds 5 to 10 mph. Chance of rain 90 percent.
Saturday NightMostly cloudy. Thunderstorms likely with a chance of showers in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph, becoming northwest after midnight. Chance of rain 70 percent.
SundayMostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 90. North winds around 5 mph, becoming east around 5 mph in the afternoon. Chance of rain 50 percent.
Sunday NightPartly cloudy in the evening, then becoming mostly clear. A chance of thunderstorms in the evening. A slight chance of showers. Lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
MondaySunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
Monday NightMostly clear. Lows in the upper 70s.
TuesdayMostly sunny. Highs in the mid 90s. Heat index values up to 105.
Tuesday NightPartly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
WednesdayMostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.
Wednesday NightPartly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105 early in the evening.
ThursdayMostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.
Thursday NightPartly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent.
FridaySunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.