Western Pa. counties under Severe Thunderstorm Watch

PITTSBURGH — The National Weather Service issued a Severe Thunderstorm Watch on Sunday for counties in Western Pennsylvania.

The watch was issued for Allegheny, Armstrong, Beaver, Butler, Clarion, Forest, Indiana, Jefferson, Lawrence, Mercer, Venango, Washington and Westmoreland counties.

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The watch will remain in effect until 11 p.m. Sunday.

With this line of storms, damaging winds, heavy downpours and hail is possible.

Storms are expected to develop later in the evening.

WPXI