Charleston, South Carolina – Afternoon storms could disrupt plans across the Charleston metro Saturday, with the heaviest rain expected between 2 and 3 p.m. and a heat index climbing near 101°F.
According to the National Weather Service in Charleston, widespread showers and thunderstorms are likely Saturday afternoon into the early evening. Rainfall amounts could reach up to an inch in some areas, with isolated stronger storms producing localized downpours, frequent lightning, and gusty winds. A slight chance for additional storms lingers into Saturday night, mainly before 2 a.m.
Sunday brings only a 20 percent chance of afternoon showers and storms, but Monday is expected to be dry and sunny with highs near 90°F. That break will be brief — rain chances return Tuesday with another round of scattered afternoon thunderstorms possible.
Residents should avoid flooded roadways and stay weather-aware if outdoors during peak heat and storm hours. If thunder roars, move indoors.
Storm chances continue into Tuesday night, with conditions improving slightly by midweek. More alerts may follow if next week’s storm chances strengthen.
Five Day Forecast for Charleston, SC:
- Saturday: High 88°F, storms likely in the afternoon
- Sunday: High 88°F, slight storm chance after 2 p.m.
- Monday: Sunny, high near 90°F
- Tuesday: High 88°F, chance of storms after 2 p.m.
- Wednesday: Mostly clear, high near 89°F



