NWS Pittsburgh PAFA.W 0051September 12, 2026
Flood Warning: Allegheny, Washington County and Westmoreland, PA
The National Weather Service office in Pittsburgh issued a flood warning for Allegheny, Washington County and Westmoreland in Pennsylvania, which was in force until 10:00 p.m. local time on September 12. It was the 51st areal flood warning the NWS office in Pittsburgh issued in 2026. Pennsylvania had 18 flood warnings in September 2026, against 18 in an average September of 2008-2025 (Pennsylvania's flood warnings by year).
ExpiredWarning
In force for 3 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Pittsburgh PA
- Area
- Allegheny, Washington County and Westmoreland
- State
- Pennsylvania
- Level
- Warning
- Issued
- 7:00 p.m. EDT, September 12, 2026
- Expires
- 10:00 p.m. EDT, September 12, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KPBZ FA.W 0051
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* WHAT...Flooding caused by excessive rainfall is occurring. * WHERE...Southeastern Allegheny County in southwestern Pennsylvania... East Central Washington County in southwestern Pennsylvania... West Central Westmoreland County in southwestern Pennsylvania... * WHEN...Until 1000 PM EDT. * IMPACTS...Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 700 PM EDT, local law enforcement reported flooding in the warned area. Flooding is already occurring. Between 1.5 and 2 inches of rain have fallen. - Some locations that will experience flooding include... Pittsburgh, Penn Hills, Mount Lebanon, Monroeville, McKeesport, Plum, West Mifflin, Baldwin, Murrysville, Wilkinsburg, Whitehall, Munhall, Jefferson Hills, North Versailles, Brentwood, Swissvale, Dormont, Castle Shannon and Pleasant Hills. - http://www.weather.gov/safety/flood
What the agency told people to do
Be aware of your surroundings and do not drive on flooded roads.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.