This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Sullivan County Area Flooding — August 2026 →
Flood Warning issued August 3 at 7:02AM EDT until August 3 at 10:00AM EDT by NWS Mount Holly NJ
This is a severe-significance flood warning event affecting Burlington, NJ; Camden, NJ; Gloucester, NJ; Mercer, NJ; Middlesex, NJ; Somerset, NJ; Bucks, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flood Warning
- Extent
- ≈ 454,441 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 (Burlington, NJ; Camden, NJ; Gloucester, NJ; Mercer, NJ; Middlesex, NJ; Somerset, NJ; Bucks, PA; Delaware, PA; Montgomery, PA; Philadelphia, 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
Burlington, NJ; Camden, NJ; Gloucester, NJ; Mercer, NJ; Middlesex, NJ; Somerset, NJ; Bucks, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA · ≈ 710 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 — Westville, NJ
NJ DOT: Flooding on US 130 Both Directions between South of CR 551 (Brooklawn) and CR 551 (Brooklawn), All lanes closed north and south bound.
- Storm report NWS PHI storm report
FLASH FLOOD — Camden, NJ
NJ DOT: Flooding on US 30 Eastbound At I-676/Ben Franklin Bridge (Camden), All lanes closed.
- Storm report NWS PHI storm report
FLASH FLOOD — 1 WSW King of Prussia, PA
Flooding on I-76 eastbound at Exit 328: US 202 SOUTH - WEST CHESTER TO US 422 WEST. Ramp restriction.
- Storm report NWS PHI storm report
FLASH FLOOD — Cinnaminson, NJ
NJ DOT - TOC South: Flooding on US 130 Northbound South of Riverton Rd. All lanes closed.
Show 2 earlier updates
- 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 ↗.