Flash flood warning issued for Allegheny, Westmoreland counties until 3:15 a.m. Sunday
A flash flood warning issued Saturday night in parts of Allegheny, Westmoreland and Washington counties has been extended to 3:15 a.m., the National Weather Service said. Heavy downpours of rain across the region from Pittsburgh south are expected to overflow and cause potential hazards near small creeks, urban areas, highways...