Charleston, South Carolina – Flash flooding and dangerous lightning could disrupt Charleston’s Tuesday afternoon plans as multiple rounds of thunderstorms move through the region.
According to the National Weather Service in Charleston, storms are expected to develop by 2 p.m. Tuesday and may continue into the evening, bringing heavy rain, gusty winds, and isolated thunder. The area along U.S. Highway 17 and I-526 may experience rapid water buildup during heavier downpours, with rainfall totals approaching one inch.
Conditions remain unsettled through midweek. Tuesday night brings more storm chances after 8 p.m., especially south of downtown. Rainfall may exceed one inch in isolated pockets, particularly in areas with poor drainage. Drivers should avoid flood-prone roads and use caution near coastal creeks and marsh areas. Winds could gust up to 15 mph near storms.
Wednesday brings a brief lull in the morning before another round of showers and thunderstorms develops after 2 p.m. Temperatures remain warm, with highs in the mid-80s and humid conditions continuing to dominate.
By Thursday, Charleston remains in a stormy pattern, with more thunderstorm chances during the day and evening. Localized flooding and power interruptions remain possible through Thursday night. Storms should taper off by Friday morning.
🌤️ 5-Day Charleston Summer Weather Preview:
- Tuesday: Thunderstorms likely after 2 p.m. – high of 85°F
- Wednesday: Storms return by afternoon – high of 85°F
- Thursday: More storms, highs near 84°F
- Friday: Isolated morning storms, clearing by afternoon – high near 84°F
- Saturday: Sunny and calmer – highs in the mid-80s