Severe · Flood WatchActive alert

Flood Watch issued September 3 at 11:15AM EDT until September 4 at

Affecting Mercer; Venango; Forest; Clarion; Jefferson

In effect until: Sep 4, 2026, 4:00 AM

Mercer; Venango; Forest; Clarion; Jefferson

Possible impact zone; conditions develop through 4:00 AM.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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Read the original bulletin (official text)

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of northwest and western Pennsylvania, including
the following areas, in northwest Pennsylvania, Forest, Jefferson
PA, Mercer and Venango. In western Pennsylvania, Clarion.

* WHEN...Through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Following multiple rounds of thunderstorms over the previous 24
to 36 hours, another cluster is expected Thursday afternoon and
evening that could produce heavy rain on an already saturated
ground that is susceptible to flash flooding. Hourly rates could
reach 1-2 inches per hour in the strongest storms.
- http://www.weather.gov/safety/flood

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flood Watch issued September 3 at 11:15AM EDT until September 4 at

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