Charleston, SC – Storms could interrupt Sunday plans in Charleston as heat and humidity build across South Carolina heading into the holiday week.
According to the National Weather Service, a 30% chance of thunderstorms is expected in Charleston after 2 p.m. Sunday, with highs near 90°F. Winds will remain light and variable, but any storm that develops could bring lightning and brief downpours. Residents and tourists are urged to monitor skies and avoid beach outings or Highway 17 travel during active storms.
Storm risks will continue through Monday and increase heading into midweek. Monday brings another 30% chance of storms in the afternoon, with humid highs near 88°F. Rain and thunder may return again Monday night with a 40% chance of precipitation. Isolated storms remain possible through Tuesday.
By Wednesday, storm chances climb to 70% as a moist air mass lingers over the region. Showers and thunderstorms are likely after 2 p.m., and could become more widespread through the evening. Drivers should use caution during peak commute hours and secure outdoor items ahead of gusty winds.
Independence Day Preview:
Thursday’s 4th of July forecast includes a 50% chance of showers and storms throughout the day, with highs near 89°F. Any outdoor celebrations should have a backup rain plan.
🌦️ 6-Day Forecast for Charleston, SC (June 29 – July 4):
- Sunday: Sunny, then afternoon storms (30%), high near 90°F
- Monday: Chance of storms (30%), high near 88°F
- Tuesday: Partly sunny, storms late (40%), high near 88°F
- Wednesday: Storms likely after 2 p.m. (70%), high near 87°F
- Thursday (4th of July): Scattered storms (50%), high near 89°F
- Friday: Continued storm chances (50%), high near 88°F
