Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 3 at 11:13PM EDT until September 4
Affecting Allegheny, PA; Armstrong, PA; Beaver, PA; Butler, PA; Washington, PA; Westmoreland, PA; Brooke, WV; Hancock, WV
In effect until: Sep 4, 2026, 4:15 AM
Allegheny, PA; Armstrong, PA; Beaver, PA; Butler, PA; Washington, PA; Westmoreland, PA; Brooke, WV; Hancock, WV
Likely impact across 8 counties in PA and WV; effects through 4:15 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.
Affected areas
Pittsburgh
Read the original bulletin (official text)
At 1113 PM EDT, local law enforcement reported thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. There are still high water areas. 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... Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township, McCandless Township, Monroeville, Moon Township, McMurray, Weirton, McKeesport, Franklin Park, Aliquippa, Canonsburg, Gastonville, Shaler Township, Plum, West Mifflin and North Side Pittsburgh.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™