Severe thunderstorms cut power to thousands in Ohio and brought damaging wind and hail. Did they spawn any tornadoes? Here's what to know.

A severe weather outbreak that covered a large stretch of the country from Texas to the Northeast turned deadly in Pennsylvania, where at least two people were killed in storm-related electrocutions.

More than 200,000 customers remain without power in the Pittsburgh area after a storm brought tornado-level winds Tuesday.

Another day of extreme weather is brewing in the United States Wednesday after violent storms roared through more than a ...