Active Weather Alerts
Flood Watch
Issued: 8:46 PM Jul. 21, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Somerset and Western Monmouth, and southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...Until 2 AM EDT Wednesday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Showers and thunderstorms will continue into tonight with the most widespread activity occurring through this evening. Some heavy showers and thunderstorms will produce torrential rainfall, with 2 to 3 inches of rain per hour possible. The excessive rainfall within a short period of time, especially in urban areas, could lead to flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
Flash Flood Warning
Issued: 8:38 PM Jul. 21, 2026 – National Weather Service
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... Northwestern Salem County in southern New Jersey... Southeastern Chester County in southeastern Pennsylvania... Delaware County in southeastern Pennsylvania... Southern Montgomery County in southeastern Pennsylvania... Philadelphia County in southeastern Pennsylvania... * Until 845 PM EDT. * At 438 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 0.5 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...Life threatening flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. * Some locations that may experience flash flooding include... Philadelphia, Camden, Wilmington, Newark, Gloucester City, Chester, Deptford, West Deptford, Pennsville, Bellmawr, Yeadon and Westtown. This includes the following highways... Interstate 295 in New Jersey between mile markers 0 and 27. Interstate 476 in Pennsylvania between mile markers 0 and 14. New Jersey Turnpike between exits 1 and 2. Interstate 76 in Pennsylvania between mile markers 336 and 351. Interstate 95 in Pennsylvania between mile markers 0 and 32. Interstate 676 in Pennsylvania between mile markers 0 and 1. Interstate 676 in New Jersey between mile markers 0 and 4. Interstate 76 in New Jersey between mile markers 0 and 3. Interstate 95 in Delaware between mile markers 0 and 23. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Tornado Watch
Issued: 6:46 PM Jul. 21, 2026 – National Weather Service
TORNADO WATCH 507 REMAINS VALID UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 1 COUNTY IN NORTHERN DELAWARE NEW CASTLE IN NEW JERSEY THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL NEW JERSEY MERCER MONMOUTH IN NORTHERN NEW JERSEY HUNTERDON MIDDLESEX MORRIS SOMERSET SUSSEX WARREN IN SOUTHERN NEW JERSEY ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER OCEAN SALEM IN PENNSYLVANIA THIS WATCH INCLUDES 10 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH NORTHAMPTON IN NORTHEAST PENNSYLVANIA CARBON MONROE IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, ATLANTIC CITY, BETHLEHEM, BLAIRSTOWN, CAMDEN, CHERRY HILL, DEPTFORD, DOYLESTOWN, EAST BRUNSWICK, EASTON, EDISON, FLEMINGTON, FREEHOLD, GLASSBORO, HAMMONTON, JIM THORPE, MEDIA, MILLVILLE, MOORESTOWN, MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, OCEAN CITY, PENNSVILLE, PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE, SOMERSET, STROUDSBURG, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.
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