Severe Thunderstorm Warning for Adams, Cumberland, Franklin Counties PA

Source: NOAA · South Central Pennsylvania

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NWS State College PA has issued a Severe Thunderstorm Warning for Adams, Cumberland, and Franklin counties in south central Pennsylvania until 10:15 PM EDT.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
South Central Pennsylvania
Issued
August 23, 2026
Issuing authority
NWS State College 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 has been issued by the National Weather Service in State College PA. The alert is effective from 9:10 PM EDT on August 22, 2026, until 10:15 PM EDT on August 22, 2026.

Affected Areas

The warning covers Western Adams County, Southwestern Cumberland County, and Franklin County in south central Pennsylvania. Locations impacted include Chambersburg, Waynesboro, Shippensburg, Greencastle, Guilford, St. Thomas, Fayetteville, Wayne Heights, Mont Alto, Mercersburg, Scotland, and Rouzerville. This includes Interstate 81 from mile markers 1 to 27.

What You Should Do

Stay inside a well built structure and keep away from windows.

Expected Conditions

At 9:09 PM EDT, severe thunderstorms were located along a line extending from Fort Loudon to near Hancock, moving east at 25 mph. Hazards include 60 mph wind gusts and quarter size hail.

Timeline

The warning is in effect until 10:15 PM EDT on August 22, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS State College PA has issued a Severe Thunderstorm Warning for Adams, Cumberland, and Franklin counties in south central Pennsylvania until 10:15 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 South Central 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.