Philadelphia, Pennsylvania — Heavy thunderstorms are dropping intense rain across the Delaware Valley this afternoon, and the National Weather Service in Mount Holly, New Jersey has issued a Flash Flood Warning until 6:45 PM EST for west central Camden County and northwestern Gloucester County in New Jersey, and southeastern Delaware County and southwestern Philadelphia County in Pennsylvania.

What is happening:

At 2:45 PM EST, Doppler radar showed thunderstorms producing heavy rain across parts of the warned area. Up to half an inch of rain has already fallen, and the rain is coming down at a rate of 1.5 to 2.5 inches per hour. Another 1.5 to 2 inches of rain is possible, and flash flooding is expected to begin shortly.

Local impacts:

Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses, as well as other poor-drainage and low-lying areas. Places that will see flash flooding include Philadelphia, Gloucester City, West Deptford, Bellmawr, Yeadon, Woodbury, Folcroft, Swarthmore, Paulsboro, Westville and National Park.

What to do:

If you see water rising around you, get to higher ground immediately.

Turn around, do not drown. Never drive through flooded roads. Most flood deaths occur in vehicles.

Source: National Weather Service, Mount Holly, New Jersey, November 12, 2026.