FFWOKX The National Weather Service in Upton has extended the * Flash Flood Warning for... Northern Bergen County in northeastern New Jersey... Northwestern Essex County in northeastern New Jersey... Passaic County in northeastern New Jersey... * Until 800 AM EDT. * At 620 AM EDT, While the heaviest rainfall has moved out of the area, many area rivers and streams are running high and some roadway flooding will take time to recede. Additional showers and thunderstorms are likely to develop this morning. Between 1 and 3 inches of rain have fallen. 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, Wayne, Paramus, West Milford, Ridgewood, Ramsey, Ringwood, Pompton Lakes, Caldwell, Hawthorne, Bloomingdale, Fairfield, Upper Greenwood Lake, Clifton, West Orange, Montclair, Fair Lawn, Livingston, Elmwood Park and Wyckoff.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Salem, Somerset, Sussex, Warren and Western Monmouth, and Pennsylvania, including the following areas, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Multiple rounds of showers and thunderstorms are expected across the area today. Rainfall rates of 1 to 3 inches per hour possible. Rainfall amounts of 1 to 2 inches are possible with localized amounts to 3 to 5 inches which could cause flash flooding. - http://www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
AI Weather Forecast · Monday, August 3, 2026
7 AM – 6 PM
Showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
6 PM – 6 AM
A slight chance of showers and thunderstorms before 7pm. Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. Northwest wind 2 to 7 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.