Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 4 at 2:40AM 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)
FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Northeastern Jefferson OH County in east central Ohio... Southern Allegheny County in southwestern Pennsylvania... Central Washington County in southwestern Pennsylvania... Brooke County in northern West Virginia... Hancock County in northern West Virginia... * Until 545 AM EDT. * At 240 AM EDT, Doppler radar indicated thunderstorms producing heavy rain along a line from 10 miles southwest of Wellsville to 7 miles south of McMurray, moving southeast at 35 mph. Up to 1 inch of rain has fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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™