Active Weather Alerts
Flash Flood Warning
Issued: 5:38 PM Aug. 27, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON FOR MIDDLESEX AND SOUTHEASTERN SOMERSET COUNTIES... At 138 PM EDT, local law enforcement reported thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is already occurring in Sayreville and South Brunswick Township. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Law enforcement reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... New Brunswick, Perth Amboy, Somerset, Edison, Old Bridge, East Brunswick, South Brunswick, Sayreville, North Brunswick, Carteret and Middlesex. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. && FLASH FLOOD...OBSERVED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 5:17 PM Aug. 27, 2026 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Mercer County in central New Jersey... Southwestern Somerset County in northern New Jersey... Southeastern Bucks County in southeastern Pennsylvania... * Until 515 PM EDT. * At 117 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Trenton, Ewing, Princeton, Bristol, Pennington, Yardley, Newtown, Hopewell, Tullytown and Langhorne. 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: 4:51 PM Aug. 27, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 630 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 2 COUNTIES IN CENTRAL DELAWARE KENT 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 5 COUNTIES IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ATLANTIC CITY, BLAIRSTOWN, CAMDEN, CHERRY HILL, DEPTFORD, DOVER, DOYLESTOWN, EAST BRUNSWICK, EDISON, FLEMINGTON, FREEHOLD, GLASSBORO, HAMMONTON, MEDIA, MILLVILLE, MOORESTOWN, MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, OCEAN CITY, PENNSVILLE, PERTH AMBOY, PHILADELPHIA, SAYREVILLE, SOMERSET, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.
Flood Watch
Issued: 2:27 PM Aug. 27, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... * 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, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Somerset, Sussex, Warren and Western Monmouth, and Pennsylvania, including the following areas, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...Through late tonight. * IMPACTS...Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Showers and thunderstorms are expected to develop by midday today. Some of these showers and thunderstorms are expected to produce very heavy rainfall. Rainfall totals of 1-2 inches of rain can be expected with localized amounts of 3-5 inches possible in the strongest storms. Rainfall rates within these thunderstorms may reach up to 1-3 inches per hour at times. - 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. &&
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