A flash flood warning has been issued by the National Weather Service for Philadelphia, Montgomery, and Delaware counties in Pennsylvania, lasting until midnight on Wednesday, July 9. Residents are urged to stay alert as conditions worsen.
Rising Water Levels at Brandywine Creek
The Brandywine Creek, which connects to the Christina River and the Delaware River, has experienced a significant rise in water levels over the past hour, despite no recent rainfall of two to three inches in parts of Philly. With additional rainfall expected “in buckets” until 2 AM on Thursday, the water level at Brandywine Creek is likely to increase further.
Urgent Alerts from the National Weather Service
“As of 8:00 PM, a considerable flash flood event is evolving in/around the Wilmington and Philadelphia areas,” the National Weather Service indicated. Footage from Wilmington has already surfaced, showing floodwaters rising in the locality.
As of 8:00 PM, a considerable flash flood event is evolving in/around the Wilmington and Philadelphia areas. If you have any reports in these areas, please pass them along to us with the location and photos if possible. Thanks!#PAwx #DEwx #NJwx #MDwx pic.twitter.com/xkgO2DzG6C
— NWS Mount Holly (@NWS_MountHolly) July 10, 2025
Ongoing Severe Weather Threat
The flash flood warning highlights the severe weather threats still present in Philadelphia and its surrounding areas. Significant flash flooding is ongoing, with forecasts predicting that the severe weather conditions will continue southward and push eastward.
Residents are advised to stay informed and take precautionary measures to ensure their safety during this evolving situation.
