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.

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.

It’s going to feel more like summer across the eastern U.S. this week as a strong ridge of high pressure builds in across the region. Hundreds of record highs and warm record lows will be in jeopardy. Parts of the Interstate 95 corridor from New York City to Philadelphia, Baltimore and Washington could see highs at or just below 90 degrees! Watch how warm it will be in your city.

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.

It rapidly intensified to Category 5 status last weekend. Now it's slamming the U.S. Northern Marianas and Guam with intense winds, surge and rainfall flooding. Here's the latest on this storm.