Alert USA
weather NWS severe Chester, PA September 3, 2026 at 12:09 PM

Flood Warning

...The National Weather Service in Mount Holly has issued a Flood Warning for the following rivers in Pennsylvania...

East Branch Brandywine Creek Below Downingtown affecting Chester County.

For the Brandywine Creek...including Downingtown...Minor flooding is forecast.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...East Branch Brandywine Creek below Downingtown.

* WHEN...From this morning to this afternoon.

* IMPACTS...At 8.0 feet, Dowlin Forge Road begins t

Flooding in Chester, PA can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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