Columbia, South Carolina – Strong afternoon and evening storms could disrupt travel and outdoor plans along and south of I-20 through 9 p.m. Wednesday, bringing a risk of heavy rain, gusty winds, and frequent lightning. Some storms may turn marginally severe, with isolated pockets of small hail possible.
According to the US National Weather Service in Columbia, scattered to numerous thunderstorms are expected across central and southern South Carolina, with the most concentrated activity forecast between 2 and 9 p.m. The area under marginal risk includes Columbia, Aiken, Sumter, and Orangeburg, where isolated strong cells may develop.
Drivers along I-20 and I-26 should be alert for slick roads, sudden downpours, and reduced visibility during the evening commute. Emergency officials urge residents to secure loose outdoor items, avoid flooded roadways, and stay indoors during lightning. Power outages may occur in areas hit by stronger winds.
This is the first notable thunderstorm pattern of the week and could signal more unsettled weather ahead. The National Weather Service advises having multiple ways to receive alerts and staying weather-aware until the threat clears later tonight. Further updates may follow if conditions intensify.
