Tuesday’s storms look to be the most significant and widespread.

A multi-day storm system will bring rounds of severe weather from the southern Plains into the Midwest and Ohio Valley through Friday.

Starting this month, the National Weather Service's Storm Prediction Center will add a new layer to its severe weather ...

For over a decade, the "Marginal to High" risk scale has been the gold standard for severe weather preparedness, but a new addition to the Storm Prediction Center's outlook marks the most significant ...

A freak wave of storms barreled through the Southwest Thursday, pelting Phoenix with enough icy chunks to turn chunks of Interstate 10 into something straight out of a winter postcard. Imagine ...

The agency is responsible for tracking and forecasting severe weather threats across the U.S.

Violent storms are a growing danger for much of the U.S. Forecasters hope a new tool can keep more people safe. (AP Photo) ...