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Warning

Flood Warning

Chester, PA

Ended Oct 12, 3:00 AM EDT

CHESTERDowningtownMarshallton10 MI
CHESTERDowningtownMarshallton10 MI
Map of the Flood Warning over Chester County, with the area it draws around the storm. Drawn on the national sheet; the scale is at its foot.
In force from
Oct 11, 8:00 PM EDT
Until
Oct 12, 3:00 AM EDT
Issued
Oct 11, 7:06 PM EDT
Updated
1 time, last Oct 11, 8:56 PM EDT
Office
Mount Holly, NJ
Number
5 of its kind from this office this year
Severity
Severe
Where
PA

FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TONIGHT

...The Flood Warning continues 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
Until late tonight.
Impacts
At 8.0 feet, Dowlin Forge Road begins to flood.
Additional details
- At 8:30 PM EDT Sunday the stage was 7.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM EDT Sunday was 7.2 feet. - Forecast...The river will rise to a crest of 7.3 feet late this evening. It will then fall below flood stage just after midnight tonight. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.2 feet on 03/01/2021. - http://www.weather.gov/safety/flood

What to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the dangers of flooding.

Additional information is available at www.weather.gov/phi.

The next statement will be issued late tonight by 300 AM EDT.

Places under it Downingtown, Marshallton

Read the platesHow to read a warning FB-STN-001

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Every warning of October 11, 2026Every severe alert in forcePennsylvania weather