New Jersey Severe Flash Flood Warning | Effective 07/28/2026 12:17

Headline: 
Flash Flood Warning issued July 28 at 3:17PM EDT until July 28 at 6:45PM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 28, 2026 - 12:17pm
Expires: 
July 28, 2026 - 3:45pm
Description: 
At 317 PM EDT, storm spotters reported flooding in Washington Borough. Flooding was occurring on State Route 57. All lanes were being impacted by water. In addition, the right lane was flooded on NJ-31. 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... Hackettstown, Washington, High Bridge, Clinton, Oxford, Glen Gardner, Hampton, Lebanon, Califon, Annandale, Pleasant Valley and Brass Castle. This includes Interstate 78 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; Warren, NJ
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov