Flood Warning Issued for Southwestern PA and Northern WV
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A Flood Warning is in effect until 3:45 PM EDT for Greene and Washington counties in Pennsylvania and Brooke, Marshall, and Ohio counties in West Virginia due to urban and small stream flooding from excessive rainfall.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Southwestern Pennsylvania and Northern West Virginia
- Issued
- August 20, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Flood Warning has been issued by the National Weather Service Pittsburgh PA. The alert is effective from August 20, 2026 at 12:43 PM EDT until August 20, 2026 at 3:45 PM EDT.
Affected Areas
The warning covers Greene County and Washington County in southwestern Pennsylvania, as well as Brooke County, Marshall County, and Ohio County in northern West Virginia. Specific locations include Washington, Waynesburg, Wolfdale, East Washington, Jefferson Boro, Rogersville, West Finley, Claysville, Deemston, Eighty Four, Cokeburg, Marianna, Beallsville, West Alexander, Aleppo, Clarksville, Taylorstown, Scenery Hill, and Nineveh.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Urban areas and small streams flooding caused by excessive rainfall is occurring. 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.
Timeline
The alert is in effect until 3:45 PM EDT on August 20, 2026. Streams continue to rise due to excess runoff from earlier rainfall, and it will take several hours for all the water to work through local drainage systems in urban areas.
Original source: NOAA Official Notice ↗
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