Active Weather Alerts
Severe Thunderstorm Warning
Issued: 10:01 PM May. 20, 2026 – National Weather Service
The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for... Northwestern Camden County in southern New Jersey... North central Gloucester County in southern New Jersey... Central Burlington County in southern New Jersey... Southeastern Montgomery County in southeastern Pennsylvania... Philadelphia County in southeastern Pennsylvania... East central Delaware County in southeastern Pennsylvania... * Until 645 PM EDT. * At 600 PM EDT, a severe thunderstorm was located over Ben Franklin Bridge, or over Camden, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. * Locations impacted include... Philadelphia, Camden, Gloucester City, Cherry Hill, Evesham, Mount Laurel, Willingboro, Voorhees, Medford, Lindenwold, Lumberton, Bellmawr, Yeadon, Woodbury, Burlington, Mount Holly, Riverside, Palmyra, Tabernacle, and Folcroft. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Severe Thunderstorm Warning
Issued: 9:52 PM May. 20, 2026 – National Weather Service
The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for... Northwestern Ocean County in southern New Jersey... South central Hunterdon County in northwestern New Jersey... Mercer County in central New Jersey... North central Burlington County in southern New Jersey... South central Somerset County in northern New Jersey... Southwestern Monmouth County in central New Jersey... Southwestern Middlesex County in northern New Jersey... East central Montgomery County in southeastern Pennsylvania... Southeastern Bucks County in southeastern Pennsylvania... Northeastern Philadelphia County in southeastern Pennsylvania... * Until 630 PM EDT. * At 552 PM EDT, a severe thunderstorm was located over Washington Crossing, or 7 miles northwest of Trenton, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. * Locations impacted include... Philadelphia, Trenton, Old Bridge, Bensalem, East Brunswick, South Brunswick, Manalapan, Ewing, Princeton, Florence, Burlington, Bristol, Hatboro, Jamesburg, Hightstown, Bordentown, Cranbury, Pennington, New Hope, and Yardley. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Severe Thunderstorm Warning
Issued: 9:41 PM May. 20, 2026 – National Weather Service
The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for... Northwestern Ocean County in southern New Jersey... Southeastern Mercer County in central New Jersey... Northern Burlington County in southern New Jersey... Southwestern Monmouth County in central New Jersey... East central Montgomery County in southeastern Pennsylvania... Southeastern Bucks County in southeastern Pennsylvania... Northeastern Philadelphia County in southeastern Pennsylvania... * Until 630 PM EDT. * At 540 PM EDT, a severe thunderstorm was located over Bensalem, or 11 miles northeast of Philadelphia, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. * Locations impacted include... Philadelphia, Trenton, Bensalem, Willingboro, Florence, Burlington, Bristol, Mount Holly, Riverside, Palmyra, Hatboro, Jenkintown, Bordentown, Beverly, Rockledge, Tullytown, Allentown, Abington, Langhorne, and Pemberton. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Flash Flood Warning
Issued: 9:40 PM May. 20, 2026 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northwestern Burlington County in southern New Jersey... Northwestern Camden County in southern New Jersey... North Central Gloucester County in southern New Jersey... Southeastern Bucks County in southeastern Pennsylvania... Delaware County in southeastern Pennsylvania... Southeastern Montgomery County in southeastern Pennsylvania... Philadelphia County in southeastern Pennsylvania... * Until 945 PM EDT. * At 540 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 0.5 to 1.5 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... Philadelphia, Camden, Gloucester City, Bensalem, Chester, Bellmawr, Yeadon, Burlington, Bristol, Riverside, Conshohocken and Palmyra. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Severe Thunderstorm Watch
Issued: 6:10 PM May. 20, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 235 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT 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, CENTREVILLE, CHERRY HILL, CHESTERTOWN, DENTON, DEPTFORD, DOVER, DOYLESTOWN, EAST BRUNSWICK, EASTON, EASTON, EDISON, FLEMINGTON, FREEHOLD, GEORGETOWN, 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.
Heat Advisory
Issued: 5:53 PM May. 20, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 98 degrees expected. * WHERE...In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Showers and thunderstorms arrive late this afternoon and this evening which will end this early season heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. &&
Air Quality Alert
Issued: 2:31 PM May. 20, 2026 – National Weather Service
...AIR QUALITY ALERT IN EFFECT FOR WEDNESDAY MAY 20... The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality alert for Wednesday for Atlantic, Camden, Cape May, Cumberland, Ocean, Gloucester, Burlington, Ocean and Salem Counties. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/
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