Flash Flooding and Severe Storms Expected in Philadelphia Region Thursday
Flash Flooding and Severe Storms Expected in Philadelphia Region Thursday
US · Published Aug 20, 2026
The Philadelphia region is under a FIRST ALERT for severe weather on Thursday, August 20, from 1 p.m.
to 9 p.m.

Impact & Risks

The severe weather poses significant risks, including flash flooding, strong winds exceeding 60 mph, and a low chance of tornadoes. The heavy rainfall could lead to hazardous road conditions, especially during the Thursday evening commute. Residents in flood-prone areas should be particularly cautious and prepared for potential evacuations or disruptions.

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