South Carolina Severe Severe Thunderstorm Warning | Effective 06/18/2026 16:45

Headline: 
Severe Thunderstorm Warning issued June 18 at 7:45PM EDT until June 18 at 8:00PM EDT by NWS Columbia SC
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 18, 2026 - 4:45pm
Expires: 
June 18, 2026 - 5:00pm
Description: 
At 745 PM EDT, severe thunderstorms were located along a line extending from 6 miles northeast of Winnsboro to near Lugoff to near Shaw Air Base, moving east at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and powerlines. Locations impacted include... Columbia, Camden, Winnsboro, Eastover, Lugoff, Lake Carolina, Villages at Sandhill, Longtown, Elgin, Lake Wateree State Park, Blythewood, Ridgeway, Boykin, Winnsboro Mills, Fort Jackson McCrady Training Center, Pine Grove Fire Station, Smallwood, Wateree River Correctional Institution, and Stateburg. This includes the following highways... Interstate 20 in South Carolina between mile markers 80 and 96. Interstate 77 between mile markers 31 and 41.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Severe thunderstorms can produce large capsizing waves and frequent lightning. If on or near Lake Wateree move away from the water and take shelter!
Area Description: 
Fairfield, SC; Kershaw, SC; Richland, SC; Sumter, SC
Forcast Office: 
NWS Columbia SC