Charleston, S.C. – Thunderstorms could bring heavy rain and travel headaches across the Lowcountry starting Thursday afternoon, creating hazards just as residents prepare for the Labor Day weekend. Drivers along I-26 and U.S. 17 should expect reduced visibility, slick pavement, and potential delays if storms intensify during evening travel hours.
According to the National Weather Service in Charleston, storm chances increase after 2 p.m. Thursday, with scattered showers and thunderstorms extending into Thursday night. A stronger line of storms could develop by Saturday, raising the risk of localized flooding and possible power outages. Forecasters warn residents to monitor changing conditions and plan ahead if traveling for the holiday weekend.
Friday brings a 40 percent chance of storms, with showers more widespread by Friday night. Saturday carries the highest rain chances, as showers and thunderstorms are likely throughout the day and into the evening. Outdoor holiday events may be disrupted, and coastal flooding could impact barrier islands if heavy downpours coincide with high tide.
Sunday continues the unsettled pattern, with more storms possible into the evening. Conditions may ease slightly by Monday, but scattered storms remain in the forecast. Residents should charge devices, avoid flooded roadways, and be ready for sudden weather changes, especially during peak travel hours.
Storm warnings may expand into the weekend if rainfall totals rise. The unsettled pattern remains in place through Labor Day, with thunderstorms likely to interrupt outdoor plans.
Five Day Forecast for Charleston, SC
- Thursday: Partly sunny, storms possible after 2 p.m., high near 83.
- Friday: Scattered storms, high near 82.
- Saturday: Showers and thunderstorms likely, high near 82.
- Sunday: Storms continue, high near 82.
- Labor Day Monday: Scattered storms, high near 81.