Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 4 at 4:47AM EDT until September 4
Affecting Jefferson, OH; Allegheny, PA; Washington, PA; Brooke, WV; Hancock, WV
In effect until: Sep 4, 2026, 9:45 AM
Jefferson, OH; Allegheny, PA; Washington, PA; Brooke, WV; Hancock, WV
Likely impact across 5 counties in OH, PA and WV; effects through 9:45 AM.
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.
Read the original bulletin (official text)
At 447 AM EDT, local law enforcement reported flooding from recent thunderstorms that produced heavy rainfall in the warned area. Between 0.5 and 2 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Mount Lebanon, Bethel Park, McMurray, Weirton, Washington, Canonsburg, Gastonville, Baldwin, Upper St. Clair, Scott Township, Whitehall, South Park Township, Cecil-Bishop, Jefferson Hills, Castle Shannon, Pleasant Hills, Clairton, Bridgeville and Toronto.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™