Active Weather Alerts
Flash Flood Warning
Issued: 1:43 AM Jul. 29, 2026 – National Weather Service
The National Weather Service in Mount Holly has extended the * Flash Flood Warning for... West Central Morris County in northern New Jersey... Northeastern Hunterdon County in northwestern New Jersey... Southeastern Warren County in northwestern New Jersey... * Until 1145 PM EDT. * At 943 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 3 and 4.5 inches of rain have fallen. 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... 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED
Flood Watch
Issued: 10:10 PM Jul. 28, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of New Jersey, including the following counties, Hunterdon, Middlesex, Morris, Somerset, Sussex and Warren and Pennsylvania, including the following counties, Carbon, Lehigh, Monroe and Northampton. * WHEN...Through Wednesday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Widespread showers and thunderstorms will move through this afternoon into tonight. Rainfall rates of 1 to 3 inches per hour are possible. Another round of heavy rain is anticipated on Wednesday afternoon and evening. This could further result in flash flooding and/or flooding of creeks and streams. Rainfall amount of 2 to 5 inches are expected with locally higher amounts possible. - 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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