This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Philadelphia County Area Flooding — August 2026 →
Flood Warning issued August 3 at 12:01PM EDT until August 3 at 1:15PM EDT by NWS Mount Holly NJ
This is a severe-significance 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
- Flood Warning
- Extent
- ≈ 94,320 acres
- Began
- To end
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 · ≈ 150 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 SW North Brunswick, NJ
NJ DOT: Flooding on US 1 Northbound Ramp To NJ 91/Jersey Ave (North Brunswick Twp), ramp lane closed.
- Storm report NWS PHI storm report
FLASH FLOOD — Atlantic Highlands, NJ
Bay Ave in Highlands is flooded with 8 inches of water on the road.
- Storm report NWS PHI storm report
FLASH FLOOD — 1 WSW North Brunswick, NJ
NJ DOT: Flooding on NJ 91 Both Directions At Huron Rd (North Brunswick Twp), 1 right lane of 2 lanes, right shoulder closed northbound; 1 right lane of 2 lanes, right shoulder closed southbound.
- Storm report NWS PHI storm report
FLASH FLOOD — 1 NW Cherry Hill Twp, NJ
NJ DOT: Flooding on NJ 38 Both Directions East of CR 625/Longwood Av (Cherry Hill Twp), All lanes closed eastbound; All lanes closed westbound.
Show 6 earlier updates
- NWS PHI storm report Storm report
- delawareonline.com News
- Courier-Post News
- NWS Mount Holly NJ Bulletin
- charlotteobserver.com News
UPDATE: The current flood watch for North Carolina will expire at 2 a.m.
- NJ.com News
N.J. weather: Flood watch issued for 17 counties with heavy rain, thunderstorms in forecast
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.