Flood Warning Issued for Hunterdon County, NJ Through Early Friday Morning

Weather Alerts high NOAA · · Hunterdon County, New Jersey

A Flood Warning is in effect for Hunterdon County, New Jersey, until 5:30 AM EST as heavy rain causes local rivers and streams to rise above flood stages.

Alert Details

The National Weather Service in Mount Holly, NJ, has issued a Flood Warning for Hunterdon County. The alert was issued at 1:17 AM EST on March 6 and remains in effect until 5:30 AM EST.

Affected Areas

The warning specifically covers Hunterdon County in northern New Jersey.

What You Should Do

Residents are urged to follow the “Turn around… don’t drown” rule when encountering flooded roads, as most flood-related deaths occur in vehicles. Drivers should be especially cautious at night when flood hazards are more difficult to recognize.

Expected Conditions

Flooding caused by excessive rainfall is currently occurring or imminent. Doppler radar and automated rain gauges confirmed heavy rainfall earlier this morning. Specific observations at Neshanic at Reaville showed the water stage at 6.82 feet as of 1:00 AM EST, which is above the established flood stage of 6.5 feet. Impacts include the flooding of rivers, creeks, streams, and other low-lying or flood-prone locations.

Timeline

The Flood Warning is active through 5:30 AM EST on Friday, March 6, 2026.

Source: NOAA Official Notice