Active Weather Alerts
Flash Flood Warning
Issued: 10:47 PM Aug. 22, 2025 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT THIS EVENING FOR BERKELEY, CHARLESTON AND DORCHESTER COUNTIES... At 647 PM EDT, emergency management officials reported flash flooding is still ongoing across much of the Charleston Metro Area. Many roads are reported closed and flooded across Downtown Charleston, North Charleston and surrounding communities. Radar shows bands of moderate to locally heavy rain expanding across the Metro area again. This will worsen ongoing flash flooding, especially as an elevated high tide approaches. As much as 3 to 6 inches have fallen so far today. An additional inch could fall. Tides in the Charleston Harbor are expected to reach between 7.7 and 7.9 ft MLLW, which is well into the moderate flood range. With drainage systems full of saltwater, any heavy rainfall that falls will immediately result in additional flooding. In addition, people along Church Creek in West Ashley should carefully monitor water levels this evening. Flooding could develop in neighborhoods near the creek, including areas along Winners Circle. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... North Charleston, Mount Pleasant, Goose Creek, Hanahan, West Ashley, Downtown Charleston, I-26/I-526 Interchange, James Island, Johns Island and Daniel Island. This includes the following highways... I-26 between mile markers 208 and 221. I-526 between mile markers 11 and 29. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Report flooding directly to the Charleston National Weather Service at 1-888-383-2024 or email your reports to nws.charlestonsc@noaa.gov. && FLASH FLOOD...OBSERVED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
Flash Flood Warning
Issued: 9:41 PM Aug. 22, 2025 – National Weather Service
The National Weather Service in Charleston has extended the * Flash Flood Warning for... Berkeley County in southeastern South Carolina... Charleston County in southeastern South Carolina... Dorchester County in southeastern South Carolina... * Until 900 PM EDT. * At 541 PM EDT, Emergency management officials reported flash flooding is ongoing across the warned area. Roads remain closed and are flooded across portions of Dorchester County as well as Berkeley County. Water has entered homes around Knightsville and Summerville. As much as 2 to 6 inches of rain have fallen in this area today. Up to an additional inch could fall through 9 PM. The risk for additional flash flooding continues, especially near streams and creeks. Dorchester County Emergency Management is requesting that people stay off the roads and remain at home. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... North Charleston, Summerville, Goose Creek, Hanahan, Ladson, Givhans Ferry State Park, Ridgeville, Sangaree, College Park and Knightsville. This includes I-26 between mile markers 194 and 207. PRECAUTIONARY/PREPAREDNESS ACTIONS... Keep children away from storm drains, culverts, creeks and streams. Water levels can rise rapidly and sweep children away. Be aware of your surroundings and do not drive on flooded roads. && FLASH FLOOD...OBSERVED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
Flood Watch
Issued: 5:34 PM Aug. 22, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SATURDAY NIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Georgia, including the following areas, Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven and Tattnall and southeast South Carolina, including the following areas, Allendale, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN...Through late Saturday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Numerous to widespread showers and thunderstorms will impact the region Friday through Saturday. Rainfall amounts of 2 to 4 inches can be expected through early Sunday morning with localized amounts exceeding 6 inches. Ground conditions remain wet and any sustained period of heavy rainfall will likely lead to areas of flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared to protect life and property, especially in areas prone to flooding. If flooding develops, move to higher ground immediately. If driving, be prepared for flooded roadways and possible road closures. &&
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