Flash Flood in Mercer County, New Jersey

Flash Flood June 22, 2026 · Mercer County, New Jersey

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Hughes Drive was flooded near Mercer County Park. The road was impassible.

The wider storm

An approaching warm front produced showers and thunderstorms over portions of the Delaware Valley up through northern New Jersey. A few of these storms produced heavy rain.

Began near Hamilton Square (40.2446, -74.6590).

Source: NOAA Storm Events Database, event 1343126. Narratives are written by the National Weather Service forecast office that issued the report.

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