The National Weather Service issued a tornado watch in western Pennsylvania on Wednesday. The tornado watch is in effect for Allegheny, Beaver, Butler, Fayette, Greene, Lawrence, Washington and ...

At 5:50 p.m. on Wednesday, the National Weather Service released an updated tornado watch in effect until 8 p.m. for ...

National Weather Service investigators are trying to determine the strength of a tornado that touched down near Center Township’s Unionville neighborhood in Butler County during Wednesday’s storms and ...

Flooding is a natural part of our weather pattern. How we adapt and mitigate the threat is key to a vibrant way of life now and long into the future.

From dangerous storms in the Plains to drenching cold rain in the Northeast, here's what to expect for Memorial Day Weekend weather across the U.S.