Flooding · High

Flood Warning issued September 12 at 6:26PM EDT until September 12 at 9:45PM EDT by NWS Pittsburgh PA

Allegheny, PA; Washington, PA · Sep 12, 2026, 10:26 PM UTC

HazardFlooding
Magnitude / scale
StatusHigh
SourceNWS
ReportedSep 12, 2026, 10:26 PM UTC
CURRENT REPORT

What we know

* WHAT...Flooding caused by excessive rainfall is occurring. * WHERE...Southwestern Allegheny County in southwestern Pennsylvania... Central Washington County in southwestern Pennsylvania... * WHEN...Until 945 PM EDT. * IMPACTS...Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 626 PM EDT, emergency management reported flooding in the warned area. Flooding is already occurring. Between 1.5 and 2.5 inches of rain have fallen. - Some locations that will experience flooding include... Mount Lebanon, Bethel Park, McMurray, Washington, Canonsburg, Gastonville, Baldwin, Upper St. Clair, Scott Township, Whitehall, South Park Township, Cecil-Bishop, Jefferson Hills, Castle Shannon, Pleasant Hills, Bridgeville, Wolfdale, McGovern and East Washington. - http://www.weather.gov/safety/flood

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Event statusHighElevatedAdvisory
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