This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Wabash County Area Flooding — August 2026 →
Flash Flood Warning issued August 20 at 11:29AM EDT until August 20 at 2:30PM EDT by NWS Pittsburgh PA
This is a severe-significance flash flood warning event affecting Armstrong, PA; Indiana, PA; Jefferson, PA; Westmoreland, PA, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 778,114 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 (Armstrong, PA; Indiana, PA; Jefferson, PA; Westmoreland, 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
Armstrong, PA; Indiana, PA; Jefferson, PA; Westmoreland, PA · ≈ 1,200 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 WCCS AM1160 & 101.1FM
FLASH FLOOD WARNING IN EFFECT FOR INDIANA COUNTY
- Storm report NWS PBZ storm report
FLASH FLOOD — 3 NNE Ernest, PA
Photo from Social Media showing water rushing over Chambersville Road.
- Storm report NWS PBZ storm report
FLASH FLOOD — 2 ENE Beallsville, PA
Water across the roadway of Sunset Drive with Pike Run out of its banks. Water is reaching the first home off of Sunset Drive.
- Storm report NWS PBZ storm report
FLASH FLOOD — 1 NNE Thompsonville, PA
Flooding from Chartiers Creek along Georgetown Road and Creekside Drive.
Show 3 earlier updates
- NWS PBZ storm report Storm report
- NWS Pittsburgh PA Bulletin
- WVVA News
Fayette County officials assess widespread flood damage, coordinate local relief efforts
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.