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National Weather Service

Live Weather Camera in Philadelphia, PA. Flash flood warning

Flash Flood Warning issued July 21 at 4:31PM EDT until July 21 at 8:30PM EDT by NWS Mount Holly NJ

Severe Immediate 62 cameras
Active Until
Jul 22, 2026 00:30 UTC
Certainty
Likely
Issued By
NWS Mount Holly NJ
Area
Chester, PA; Delaware, PA

Warning Area and Cameras

Polygon shows the NWS alert area. Markers show matched traffic cameras.

Alert Details

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Southern Chester County in southeastern Pennsylvania... Western Delaware County in southeastern Pennsylvania... * Until 830 PM EDT. * At 431 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. 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. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... West Chester, Coatesville, Westtown, Downingtown, Kennett Square, Oxford, Parkesburg, West Grove, Cochranville, Marshallton, Homeville and Mount Vernon.

Recommended Action

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Cameras Affected by this Warning

62 matched traffic cameras.

PA-10 @ 1ST AVE

Philadelphia, PA
PA 10

PA 100 @ MOUNTAIN VIEW DR EXIT

Philadelphia, PA
PA 100

PA 100 @ PA 30 EXTON

Philadelphia, PA
PA 100

PA 100 @ POTTSTOWN PIKE EXIT

Philadelphia, PA
PA 100

PA 100 @ SUNRISE BLVD

Philadelphia, PA
PA 100

PA 100 SOUTH OF BOOT RD

Philadelphia, PA
PA 100

PA 100 SOUTH OF KIRKLAND AVE

Philadelphia, PA
PA 100

PA 100 SOUTH OF PHOENIXVILLE PIKE

Philadelphia, PA
PA 100

PA-82 (MANOR) RD @ PA-340/KINGS HWY

Philadelphia, PA
PA 82

PA-82 (MANOR) RD SOUTH OF 30 BYPASS

Philadelphia, PA
PA 82

US-1 @ INDEPENDENCE WY

Philadelphia, PA
US 1

US-1 @ PA 52 N (LENAPE RD)

Philadelphia, PA
US 1

US-1 @ PA 52 S (KENNETT PK)

Philadelphia, PA
US 1

US-1 @ PENNSBURY WY

Philadelphia, PA
US 1

US 202 NB @ MORSTEIN RD

Philadelphia, PA
US 202

US 202 NB AT THE US 202 / PA 322 MERGE

Philadelphia, PA
US 202

US 202 SB @ SR 100 SPUR

Philadelphia, PA
US 202

US-202 @ BOOT RD

Philadelphia, PA
US 202

US-202 @ BRINTON BRIDGE/DILWORTHTOWN

Philadelphia, PA
US 202

US-202 @ PA-3/ WEST CHESTER PIKE

Philadelphia, PA
US 202

US-202 @ PA-926/STREET RD

Philadelphia, PA
US 202

US-202 @ PAOLI PIKE

Philadelphia, PA
US 202

US-202 @ SKILES BLVD

Philadelphia, PA
US 202

US-202 @ US-30

Philadelphia, PA
US 202

US-202 @ US-322

Philadelphia, PA
US 202

US-202 @ WESTTOWN RD

Philadelphia, PA
US 202

US-202 NORTH OF MATLACK ST

Philadelphia, PA
US 202

US-202 SOUTH OF GREEN TREE RD

Philadelphia, PA
US 202

US-202 SOUTH OF US-30

Philadelphia, PA
US 202

US 30 (BYPASS) AT AIRPORT RD

Philadelphia, PA
US 30

US 30 @ Bus 30 Chester Co

Philadelphia, PA
US 30

US-30 (BYPASS) AT PA-100 (EXTON)

Philadelphia, PA
US 30

US-30 (BYPASS) AT PA-322/MANOR RD)

Philadelphia, PA
US 30

US-30 (BYPASS) AT PA-82

Philadelphia, PA
US 30

US-30 (BYPASS) AT US-30 BUSINESS (LANCASTER AVE)

Philadelphia, PA
US 30

US-30 (BYPASS) EAST OF AIRPORT RD

Philadelphia, PA
US 30

US-30 (BYPASS) EAST OF BUSINESS 30 (LINCOLN HWY)

Philadelphia, PA
US 30

US-30 (BYPASS) EAST OF PA-113

Philadelphia, PA
US 30

US-30 (BYPASS) EAST OF PA-340 (THORNDALE)

Philadelphia, PA
US 30

US-30 (BYPASS) WEST OF AIRPORT RD

Philadelphia, PA
US 30

US-30 (BYPASS) WEST OF PA-113 (DOWNINGTOWN)

Philadelphia, PA
US 30

US-30 (BYPASS) WEST OF PA-82

Philadelphia, PA
US 30

US-30 (BYPASS) WEST OF RT-100

Philadelphia, PA
US 30

LINCOLN HWY @ 7TH AVE

Philadelphia, PA
US 30 Business

US 30 BUSINESS @ BONDSVILLE RD

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LANCASTER AVE) EAST OF 30 BYPASS (LOWES DR)

Philadelphia, PA
US 30 Business

US-30 BUSINESS ( LANCASTER AVE) @ GREEN ST (DOWNINGTOWN)

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LANCASTER AVE) @ PA-113/ UWCHLAN AVE

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LANCASTER AVE) EAST OF US-202

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY ) @ AIRPORT RD

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) WEST OF PA-10

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ 11TH AVE

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ BARLEY SHEAF RD

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ EXTON SQUARE PKWY

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ N BAILEY RD

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ N CALN RD

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ OLD WILMINGTON RD

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ PA-10/ OCTORARA TRAIL

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ PA-82/ 1ST AVE

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ SHIP RD

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ STODE AVE

Philadelphia, PA
US 30 Business

US-30 BUSINESS (LINCOLN HWY) @ WHITFORD RD

Philadelphia, PA
US 30 Business