Flash Flood Warning for Berkeley and Charleston Counties Until 11:00 p.m. EDT

This brief is the Charleston County, South Carolina copy. The same Flash Flood Warning also covers Berkeley County. NWS Charleston SC has continued the warning until 11:00 p.m. EDT Sunday, Oct. 4, 2026 (8:00 p.m. Pacific). Radar showed 2 to 4 inches already fallen, with 1 to 3 inches more possible. Places named include North Charleston, Mount Pleasant, Downtown Charleston, Daniel Island, James Island, West Ashley, Johns Island, Hollywood, Charleston Naval Complex, and Charles Towne Landing. Do not drive through flooded roads. Turn around, don’t drown. Be especially careful at night.

Heavy rain is causing flash flooding in Berkeley County and Charleston County, South Carolina. The National Weather Service in Charleston first issued this Flash Flood Warning at about 7:58 p.m. EDT on Sunday, Oct. 4, 2026, and continued it at 8:31 p.m. EDT. It remains in effect until 11:00 p.m. EDT the same evening. That end time is 8:00 p.m. Pacific. North Charleston, Mount Pleasant, Downtown Charleston, Daniel Island, James Island, West Ashley, Johns Island, Hollywood, Charleston Naval Complex, and Charles Towne Landing are named. Radar showed thunderstorms with 2 to 4 inches already fallen and 1 to 3 inches more possible. Flash flooding is ongoing or expected. Creeks, city streets, highways, underpasses, and low spots can flood. The warning covers Berkeley and Charleston counties as listed on the bulletin, not every acre of South Carolina.

What to do: do not drive through water on the road. Turn around, don’t drown. Most flood deaths happen in vehicles. Six inches of moving water can knock a person down. A foot or two of moving water can float a car. You cannot tell the depth from the driver’s seat. Be especially cautious at night, when it is harder to see flooding. Stay off flooded underpasses and low spots until the warning ends. If you are in a low spot, move to higher ground. If you are trapped, call 911. If you can report flooding safely, tell local emergency services and ask them to pass the report to the National Weather Service. Do not treat 11:00 p.m. EDT as an all-clear until weather.gov says the warning is over.

Source: National Weather Service Charleston SC, Flash Flood Warning / Flash Flood Statement FFSCHS, originally issued about 7:58 p.m. EDT Oct. 4, 2026, continued 8:31 p.m. EDT, until 11:00 p.m. EDT Oct. 4, 2026. Live alert: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.79668bc24367d120360b7e80d6574c5d4947622d.001.1. Office text products: https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=chs&wwa=all. Flood safety: https://www.weather.gov/safety/flood. Office post: https://x.com/NWSCharlestonSC/status/2106896854977810894. County hubs: https://noticenearby.com/sc/berkeley and https://noticenearby.com/sc/charleston. If this page and weather.gov disagree, weather.gov wins. Notice Nearby is not the National Weather Service, the sheriff, or the fire department.

The full plain-language brief, with the official clocks and the source links, is the Notice Nearby public paper: https://noticenearby.com/papers/flash-flood-warning-berkeley-charleston-counties-sc-oct-4-2026.

Official source: National Weather Service Charleston SC flash flood warning / statement FFSCHS. https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.79668bc24367d120360b7e80d6574c5d4947622d.001.1

County hub: https://noticenearby.com/sc/charleston. This is not the fire department, the sheriff, or the National Weather Service. If an official page and this note disagree, the official page wins.