Severe Thunderstorm Warning for Six Western PA Counties
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NWS Pittsburgh has issued a Severe Thunderstorm Warning for Armstrong, Butler, Clarion, Jefferson, Lawrence and Venango counties until 6:00 PM EDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Western Pennsylvania
- Issued
- September 3, 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: 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
Severe Thunderstorm Warning issued by NWS Pittsburgh PA. Effective from September 3 at 5:12 PM EDT until September 3 at 6:00 PM EDT.
Affected Areas
Armstrong County, Butler County, Clarion County, Jefferson County, Lawrence County and Venango County in Pennsylvania. Locations impacted include Butler, Kittanning, Knox, Rimersburg, Homeacre-Lyndora, Shanor-Northvue, Meridian, Slippery Rock, Ford City, Meadowood, Oak Hills, New Bethlehem, West Kittanning, Prospect, Chicora, East Brady, Harrisville, Parker and Plain Grove Township.
What You Should Do
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows.
Expected Conditions
At 5:12 PM EDT, severe thunderstorms were located along a line from over Knox to 9 miles south of Slippery Rock, or along a line from over Knox to 12 miles northwest of Butler, moving east at 45 mph. Hazards include 70 mph wind gusts and quarter size hail.
Timeline
The warning is in effect until 6:00 PM EDT on September 3.
Original source: NOAA Official Notice ↗
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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 (1,027 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 3, 2026.
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