Flood Warning Issued for Allegheny and Westmoreland Counties, PA
This alert is no longer in effect.
NOAA issued it on August 7, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Flood Warning is in effect until 9 PM EDT for southeastern Allegheny and northwestern Westmoreland counties due to ongoing urban and small stream flooding from excessive rainfall.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Southwestern Pennsylvania
- Issued
- August 7, 2026
- Issuing authority
- NWS Pittsburgh PA
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in Southwestern Pennsylvania.
Alert Details
Flood Warning issued by NWS Pittsburgh PA. Effective from August 7 at 5:58 PM EDT until August 7 at 9:00 PM EDT.
Affected Areas
Southeastern Allegheny County and northwestern Westmoreland County in southwestern Pennsylvania. Specific locations include Monroeville, Greensburg, McKeesport, Jeannette, Plum, West Mifflin, Murrysville, North Versailles, White Oak, Clairton, Duquesne, Turtle Creek, North Braddock, Glassport, Irwin and Pitcairn.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
Urban areas and small streams flooding caused by excessive rainfall is ongoing. Between 1 and 2 inches of rain have fallen. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable.
Timeline
The warning is in effect until 9:00 PM EDT on August 7, 2026. Flooding is ongoing or expected to begin shortly.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,098 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 7, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.