Butler County under tornado watch until 4 p.m. Sunday
Butler County, along with 14 other counties in Pennsylvania, has been placed under a tornado watch starting at 10:34 a.m. The tornado watch is scheduled to expire at 4 p.m. Sunday.
A tornado watch means that the weather conditions exist for a tornado to possibly form in the region and that residents should stay alert.
The tornado watch also affects 11 counties in Ohio and nine counties in West Virginia.
