Severe Thunderstorm Warning for New Castle Area, PA

Source: NOAA · Western Pennsylvania

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NWS Pittsburgh has issued a Severe Thunderstorm Warning for southeastern Mercer County, northwestern Butler County, and central Lawrence County in Pennsylvania until 6:15 PM EDT.

30 seconds on this weather notice

Record type
Severe Thunderstorm Warning
Affected area
Western Pennsylvania
Issued
September 13, 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

A Severe Thunderstorm Warning (SVR) has been issued by NWS Pittsburgh PA. The alert is effective from September 13, 2026 at 5:30 PM EDT until September 13, 2026 at 6:15 PM EDT.

Affected Areas

The warning covers southeastern Mercer County in northwestern Pennsylvania, northwestern Butler County in west central Pennsylvania, and central Lawrence County in western Pennsylvania. Locations impacted include New Castle, Slippery Rock, New Wilmington, Oakwood, New Castle Northwest, Prospect, Harrisville, Plain Grove Township, South New Castle, West Liberty, Harlansburg, Portersville, Volant, Rose Point Park, McConnells Mill, Cooper's Lake Campground and Moraine State Park.

What You Should Do

Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds.

Expected Conditions

At 5:30 PM EDT, a severe thunderstorm was located over New Castle Northwest, or near New Castle, moving east at 25 mph. Hazards include 60 mph wind gusts and small hail. Expect damage to roofs, siding, and trees.

Timeline

The alert is in effect from 5:30 PM EDT to 6:15 PM EDT on September 13, 2026.

Original source: NOAA Official Notice ↗

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Elsewhere in the country: similar length or severity timing 8

Beyond this NWS weather alert's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.

Common Questions

Questions readers often have about this NWS weather alert.

What is this NWS weather alert about?
NWS Pittsburgh has issued a Severe Thunderstorm Warning for southeastern Mercer County, northwestern Butler County, and central Lawrence County in Pennsylvania until 6:15 PM EDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Western Pennsylvania. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.