Severe Thunderstorm Warning for Western Pennsylvania Counties
This alert is no longer in effect.
NOAA issued it on July 26, 2026, 4 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.
NWS Pittsburgh has issued a Severe Thunderstorm Warning for parts of Butler, Lawrence, Mercer, and Venango counties in Pennsylvania until 3:15 PM EDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Western Pennsylvania
- Issued
- July 26, 2026
- Issuing authority
- NWS Pittsburgh PA
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 weeks ago; use the issuing agency's live warning service for current conditions in Western Pennsylvania.
Alert Details
A Severe Thunderstorm Warning was issued by NWS Pittsburgh PA on June 20 at 2:29 PM EDT. The alert is effective from 2026-06-20T14:29:00-04:00 until 2026-06-20T15:15:00-04:00.
Affected Areas
The warning covers Southern Mercer County, Southwestern Venango County, Northwestern Butler County, and Northeastern Lawrence County in Pennsylvania. Locations impacted include Hermitage, Grove City, Slippery Rock, Mercer, Harrisville, Plain Grove Township, Clark, Fredonia, West Liberty, Jackson Center, Barkeyville, Volant, Cherry Valley, and Boyers.
What You Should Do
Seek shelter inside a well-built structure and stay away from windows.
Expected Conditions
At 2:29 PM EDT, a severe thunderstorm was located near Hermitage moving southeast at 30 mph. Hazards include quarter size hail (1.00 inch) and wind gusts up to 50 MPH, with damage to vehicles expected.
Timeline
The warning is in effect until 3:15 PM EDT on June 20, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (958 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 26, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.