NWS forecast for Charleston updated at 12:39 AM EDT
Rest of TonightPartly cloudy. Lows around 80. Southwest winds around 5 mph.
ThursdayPartly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Heat index values up to 109. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
Thursday NightMostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
FridayPartly sunny in the morning, then becoming mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s, except in the upper 80s near the coast. Southwest winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 107.
Friday NightMostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 40 percent.
SaturdayPartly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50 percent. Heat index values up to 105.
Saturday NightMostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent.
SundayPartly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.