New Jersey, Pennsylvania Severe Flash Flood Warning | Effective 08/05/2026 11:50

Headline: 
Flash Flood Warning issued August 5 at 2:50PM EDT until August 5 at 7:00PM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 5, 2026 - 11:50am
Expires: 
August 5, 2026 - 4:00pm
Description: 
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northwestern Mercer County in central New Jersey... Southeastern Hunterdon County in northwestern New Jersey... Central Bucks County in southeastern Pennsylvania... * Until 700 PM EDT. * At 250 PM EDT, Doppler radar indicated heavy rainfall producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 0.5 to 1 inch in 30 minutes. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding caused by heavy rainfall. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. * Some locations that may experience flash flooding include... Trenton, Ewing, Doylestown, Byram, Bedminster, Flemington, Chalfont, Tinicum, Pennington, New Hope, Yardley and Newtown. This includes Interstate 295 in New Jersey between mile markers 65 and 76.
Instruction: 
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Hunterdon, NJ; Mercer, NJ; Bucks, PA
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov