Significant flooding affected Downtown Charleston on July 22, 2025, following heavy rainfall, while minor saltwater flooding was reported along parts of the Charleston and Colleton County coast. A multi-vehicle collision occurred on southbound I-95 near mile marker 41, prompting a full closure of the highway until early July 23.
Flooding in downtown Charleston, SC this morning. Many streets closed and water getting into some homes. I talked with a resident who has lived in her house for 30 years and she said this area floods often but she has only seen it this high 3 or 4 times. Live coverage with… pic.twitter.com/OpHXAlUrmP
— Charles Peek (@CharlesPeekWX) August 6, 2024
According to the National Weather Service (NWS), Downtown Charleston recorded approximately 33.8 mm (1.33 inches) of rainfall over a 24-hour period between July 21 and 22. The precipitation was sufficient to overwhelm stormwater drainage in parts of the city, resulting in significant street-level flooding.
Videos posted on social media showed vehicles navigating through submerged intersections in Downtown Charleston, including at Wentworth and Coming Streets and at Vanderhorst and Ogier…