New Jersey Severe Flash Flood Warning | Effective 08/07/2026 15:21

Headline: 
Flash Flood Warning issued August 7 at 6:21PM EDT until August 7 at 8:00PM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 7, 2026 - 3:21pm
Expires: 
August 7, 2026 - 5:00pm
Description: 
At 621 PM EDT, the public reported thunderstorms producing heavy rain across the warned area with numerous roads flooded. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Public reported. 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... Newton, Hackettstown, Washington, Oxford, Hope, Glen Gardner, Hampton, Andover, Great Meadows-Vienna, Allamuchy-Panther Valley, Beatyestown and Greendell. This includes Interstate 80 in New Jersey between mile markers 11 and 24.
Instruction: 
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Hunterdon, NJ; Morris, NJ; Sussex, NJ; Warren, NJ
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov