New Jersey Severe Flash Flood Warning | Effective 09/01/2026 18:26

Headline: 
Flash Flood Warning issued September 1 at 9:26PM EDT until September 2 at 1:30AM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 1, 2026 - 6:26pm
Expires: 
September 1, 2026 - 10:30pm
Description: 
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northwestern Atlantic County in southern New Jersey... Southeastern Camden County in southern New Jersey... Southeastern Gloucester County in southern New Jersey... * Until 130 AM EDT. * At 926 PM EDT, Doppler radar indicated thunderstorms producing heavy rain. Collings Lakes Fire Department reported multiple roads in downtown Williamstown under water. Between 1 and 2 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 already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Fire department reported. 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... Glassboro, Clayton, Berlin, Buena, Chesilhurst, Newfield, Williamstown, Monroe Township and Sicklerville.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Atlantic, NJ; Camden, NJ; Gloucester, NJ
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov