Active Weather Alerts
Flash Flood Warning
Issued: 5:11 AM Jun. 23, 2026 – National Weather Service
The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Central Morris County in northern New Jersey... South Central Sussex County in northwestern New Jersey... * Until 515 AM EDT. * At 111 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 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...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... Dover, Hopatcong, Wharton, Rockaway, Mount Arlington, Mountain Lakes, Stanhope, Netcong, Victory Gardens, Andover, Succasunna-Kenvil and Succasunna. This includes Interstate 80 in New Jersey between mile markers 25 and 41. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Flood Watch
Issued: 7:58 PM Jun. 22, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Flash 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, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Salem, Somerset and Western Monmouth, and southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...Through late tonight. * IMPACTS...Flash flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Showers and thunderstorms with rainfall rates potentially of 1-2 inches per hour are expected across the watch area. In urban locations, this will be enough to trigger flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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