New Jersey Severe Flash Flood Warning | Effective 07/21/2026 12:07

Headline: 
Flash Flood Warning issued July 21 at 3:07PM EDT until July 21 at 6:15PM EDT by NWS Upton NY
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 12:07pm
Expires: 
July 21, 2026 - 3:15pm
Description: 
FFWOKX The National Weather Service in Upton has issued a * Flash Flood Warning for... Bergen County in northeastern New Jersey... Central Essex County in northeastern New Jersey... Hudson County in northeastern New Jersey... Eastern Passaic County in northeastern New Jersey... * Until 615 PM EDT. * At 307 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 of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. 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... Paterson, Passaic, Wayne, Bloomfield, Hackensack, Orange, Bergenfield, Paramus, Ridgewood, Lyndhurst, Rutherford, Secaucus, Ramsey, Ridgefield, Caldwell, Kearny, Hawthorne, Oradell, Fairfield and Norwood.
Instruction: 
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. Excessive runoff from heavy rainfall will cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots.
Area Description: 
Bergen, NJ; Essex, NJ; Hudson, NJ; Passaic, NJ
Forcast Office: 
NWS Upton NY