This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Northampton County Area Flooding — July 2026 →
Flash Flood Warning issued July 28 at 7:24PM EDT until July 28 at 11:30PM EDT by NWS Mount Holly NJ
This is a severe-significance flash flood warning event affecting Chester, PA, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 188,973 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 (Chester, 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
Chester, PA · ≈ 300 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
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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 ESE West Brandywine T, PA
Reports of flooding on Reeceville Road with multiple homes flooded.
- Storm report NWS PHI storm report
FLASH FLOOD — Upper Saucon Twp, PA
PA-309 is currently impassible due to flooding.
- Storm report NWS LWX storm report
FLASH FLOOD — 1 ESE Park Heights, MD
Two to three feet of standing water was reported near the intersection of E 35th street and Hillen Road.
- Storm report NWS LWX storm report
FLASH FLOOD — 2 N Brooklyn Park, MD
Two to three feet of standing water was reported near the intersection of Hanover Street and Frankfurst Ave.
Show 3 earlier updates
- NWS LWX storm report Storm report
- CBS News News
Tornado warning in effect in New Castle, Chester counties as storms hit Philadelphia region
- 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 ↗.