This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Armstrong County Area Flooding — August 2026 →
Flood Warning issued August 7 at 5:44PM EDT until August 7 at 8:45PM EDT by NWS State College PA
This is a severe-significance flood warning event affecting Lancaster, PA; York, PA, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flood Warning
- Extent
- ≈ 72,151 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 (Lancaster, PA; York, 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
Lancaster, PA; York, PA · ≈ 110 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.
- News LancasterOnline
Watch out for flash flooding in parts of Lancaster County tonight
- Storm report NWS CTP storm report
FLASH FLOOD — 1 ESE Columbia, PA
Flooding across Franklin Street in West Hempfield Twp.
- Storm report NWS CTP storm report
FLASH FLOOD — 1 SSE Landisville, PA
Water across the roadway near the intersection of Stony Battery Road and Nolt Road in East Hempfield Twp.
- Storm report NWS CTP storm report
FLASH FLOOD — Columbia, PA
Water across roadway near the intersection of Lancaster Avenue and South 10th Street in Columbia borough.
Show 4 earlier updates
- WGAL News
Flash flood warning issued for parts of Lancaster, York counties
- NWS State College PA Bulletin
- Lancaster Eagle-Gazette News
- Hilton Head Island Packet News
Flood advisory issued for Kershaw and Lancaster counties until early Wednesday
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.