Typical for April, severe thunderstorms will plague parts of the Plains and Midwest for multiple days with hail, wind, tornadoes and flooding rain much of this week. Here's our latest forecast.

New research shows that areas across the U.S. are warming at different rates. Some parts of the country are showing extreme warming, while other areas are barely warming at all.

It rapidly intensified to Category 5 status last weekend. Now it's headed for a strike north of Guam. Here's our latest forecast and the impacts it and a washed-out South Pacific "twin" could have.

A weekend snowstorm blanketed parts of Northern California and the Sierra Nevada, and while it was welcomed at mountain resorts, it caused a mess on key highways in and out of the region. It wasn’t the only wild weather in California; see a tornado that touched down in Tehama County.

You've heard of the term El Niño. By later this year, it could become one of the strongest in decades. Here's how that could affect weather patterns, from rainfall to temperatures to hurricane season.