Northern Butler County has been placed under a severe thunderstorm warning.

The alert was issued at about 4:45 p.m. Thursday, April 16.

According to the National Weather Service of Pittsburgh, a severe thunderstorm with gusts reaching 60 mph was located near Slippery Rock and Grove City. The warning is currently set to expire at 5:30 p.m.

Slippery Rock, East Brady, Harrisville, Parker, Bruin, West Liberty and Petrolia were named among impacted locations.

Northwestern Armstrong County, southwestern Venango County and Clarion County are also under the warning