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Flash Flood Alert Hits Delaware and New Jersey

New Jersey, Mount Holly, USAFriday, July 10, 2026

Alert issued: 1:37 p.m. Thursday, July 9
Duration: Until 5:45 p.m.


Affected Areas

  • Delaware – southeastern Delaware County
  • New Jersey – northern New Castle County; parts of Gloucester and Salem counties in the south
  • Pennsylvania – portions surrounding Wilmington, Newark, and Philadelphia

What the Radar Shows

  • Heavy showers producing 1–2 inches of rain in just one hour
  • Additional rainfall possible, threatening already saturated areas

Communities at Risk

  • Wilmington, Newark, Philadelphia
  • Highways: I‑295, I‑476, New Jersey Turnpike, stretches of I‑95

Why It Matters

  • Flash floods can move quickly, damage roads, buildings, and trigger mudslides
  • Even areas not currently raining can be at risk if water has already pooled

Additional Reminders

  • Watch for fire hazards and keep emergency supplies ready.
  • Follow local instructions closely; stay alert for any weather changes.

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