Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued October 12 at 2:38AM EDT until October 12
Affecting Delaware, PA; Philadelphia, PA
In effect until: Oct 12, 2026, 9:45 AM
Delaware, PA; Philadelphia, PA
Likely impact across 2 counties in PA; 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. Be aware of your surroundings and do not drive on flooded roads.
Affected areas
Philadelphia
Read the original bulletin (official text)
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... East Central Delaware County in southeastern Pennsylvania... Southern Philadelphia County in southeastern Pennsylvania... * Until 545 AM EDT. * At 238 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. 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... Philadelphia, Yeadon, Folcroft, Swarthmore, East Lansdowne, South Philadelphia, Roxborough, Morris Park, Center City, Darby Township, Philadelphia International Airport and Kensington. This includes the following highways... Interstate 476 in Pennsylvania between mile markers 6 and 7. Interstate 76 in Pennsylvania between mile markers 340 and 351. Interstate 95 in Pennsylvania between mile markers 8 and 30. Interstate 676 in Pennsylvania between mile markers 0 and 1.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™