Charleston, SC – Drivers and residents along I-26 and U.S. 17 should prepare for wet roads and thunderstorms by Friday as storm chances climb just ahead of the Labor Day travel rush. Warm, humid conditions will persist through midweek, with showers and storms returning in time for the holiday weekend.
Storm Chances Increase Late Week
According to the National Weather Service Charleston, Tuesday will remain mostly sunny with highs near 88°F, followed by another dry, calm day Wednesday with highs in the low 80s. By Thursday, isolated storms may develop, with Friday’s risk increasing to 50 percent.
Coastal travelers should expect heavier traffic and potential delays during peak holiday travel times.
Travel Hazards and Safety Precautions
Charleston County officials advise drivers to exercise caution during sudden downpours, particularly on I-26 toward Columbia and U.S. 17 through Mount Pleasant. Evening commuters should allow extra time, as slick roads and localized street flooding in low-lying neighborhoods remain a concern.
Residents are encouraged to secure outdoor items, check drainage around their homes, and monitor weather updates, as power outages become more likely if storms intensify late in the week NWS Charleston.
Labor Day Weekend Outlook
Unsettled weather may continue into Labor Day, though confidence in exact timing is low. Beach plans could be impacted by lingering showers, with more updates expected midweek.
Five-Day Forecast for Charleston, SC
- Tuesday: Mostly sunny, high 88°F, night low 72°F
- Wednesday: Mostly sunny, high 83°F, night low 72°F
- Thursday: 20% chance of storms after 2 p.m., high 83°F, night storm chance low 71°F
- Friday: 50% chance of storms, high 82°F, night storm chance low 71°F
- Saturday (Labor Day Weekend): 30% chance of storms, high 82°F
How are you planning to adjust travel or outdoor activities for Charleston’s changing weather? Share your tips and experiences in the comments below.
