Severe · Flash Flood WarningActive alert
Flash Flood Warning issued September 3 at 1:34AM EDT until September 3
Affecting New Castle, DE; Burlington, NJ; Camden, NJ; Gloucester, NJ; Bucks, PA; Chester, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA
In effect until: Sep 3, 2026, 9:30 AM
New Castle, DE; Burlington, NJ; Camden, NJ; Gloucester, NJ; Bucks, PA; Chester, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA
Likely impact across 9 counties in DE, NJ and PA; effects through 9:30 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
Philadelphia
Read the original bulletin (official text)
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northern New Castle County in northern Delaware... Northwestern Burlington County in southern New Jersey... Northwestern Camden County in southern New Jersey... Northwestern Gloucester County in southern New Jersey... Southeastern Bucks County in southeastern Pennsylvania... Chester County in southeastern Pennsylvania... Delaware County in southeastern Pennsylvania... Southeastern Montgomery County in southeastern Pennsylvania... Philadelphia County in southeastern Pennsylvania... * Until 530 AM EDT. * At 134 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 0.5 to 1 inch in 30 minutes. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. 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, Camden, Wilmington, Newark, West Chester, Gloucester City, Cherry Hill, Bensalem, Mount Laurel, Norristown, Chester and Willingboro.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™