This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Middlesex County Area Flooding — July 2026 →
Flash Flood Warning issued July 18 at 3:14PM EDT until July 18 at 7:15PM EDT by NWS Mount Holly NJ
This is a severe-significance flash flood warning event affecting Mercer, NJ; Bucks, PA, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 152,080 acres
- Began
- To end
Hazard details
- Flash-flood damage threat
- CONSIDERABLE
Damage signals as reported by NOAA / National Weather Service — verbatim, not an estimate.
Affected by this event? Open your area's damage guides below to reach a vetted local restoration pro, 24/7.
Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Mercer, NJ; Bucks, PA), colored by hazard type. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Mercer, NJ; Bucks, PA · ≈ 240 sq mi reported extent · Enable JavaScript to explore the map.
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NOAA / National Weather Service ↗.
Restoration help near this event
Tap your city for a vetted local pro on that service, answered 24/7. Where we don't have a nearby city page yet, the step-by-step guides cover what to do first.
Water damage restoration
What to do now
Mold remediation
What to do now
Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- Storm report NWS PHI storm report
FLASH FLOOD — 1 NW Seaside Park, NJ
NJ 35 and NJ 37 closed in Seaside Heights due to flooding. Time estimated.
- Storm report NWS PHI storm report
FLASH FLOOD — 4 NE Toms River, NJ
Corrects previous report from 4 NE Toms River. Public shared video on social media of Yellowbank Rd flooded.
- Storm report NWS PHI storm report
FLASH FLOOD — 1 SW Seaside Park, NJ
Flooding on North Bayview Ave heading into Seaside Park.
- Storm report NWS PHI storm report
FLASH FLOOD — Atlantic Highlands, NJ
Road flooded in Highlands. Time from report.
Show 8 earlier updates
- NWS PHI storm report Storm report
- NWS PHI storm report Storm report
- NWS PHI storm report Storm report
- NWS PHI storm report Storm report
- NWS PHI storm report Storm report
- NWS PHI storm report Storm report
- NWS PHI storm report Storm report
- NWS Mount Holly NJ Bulletin
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.