Pennsylvania Severe Severe Thunderstorm Warning | Effective 06/20/2026 11:29

Headline: 
Severe Thunderstorm Warning issued June 20 at 2:29PM EDT until June 20 at 3:15PM EDT by NWS Pittsburgh PA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 20, 2026 - 11:29am
Expires: 
June 20, 2026 - 12:15pm
Description: 
SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for... Southern Mercer County in northwestern Pennsylvania... Southwestern Venango County in northwestern Pennsylvania... Northwestern Butler County in west central Pennsylvania... Northeastern Lawrence County in western Pennsylvania... * Until 315 PM EDT. * At 229 PM EDT, a severe thunderstorm was located near Hermitage, moving southeast at 30 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * 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.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail.
Area Description: 
Butler, PA; Lawrence, PA; Mercer, PA; Venango, PA
Forcast Office: 
NWS Pittsburgh PA