Super El Niños happen when water in the tropical Pacific heats up, changing weather patterns all around the world. The hotter ...

(CNN) — More than 1,000 tornadoes roar across the United States in an average year, causing billions of dollars in damage and killing scores of Americans. The storms occur across the country ...

(CNN) — The hurricane planning tool that meteorologists and emergency managers use for making critical decisions, including ordering evacuations, is about to become inaccessible for an indefinite ...

A record warm March has melted an already abysmal snowpack across the western United States, with impacts clearly visible in satellite imagery. It’s setting the stage for an especially concerning ...

The stratospheric polar vortex is entering its seasonal collapse. But that doesn’t mean calm weather is coming. What's ...

(CNN) — A sprawling, wind-driven multiday storm roared across the United States with severe thunderstorms to the south and blizzard conditions to the north, causing damage and disruptions along its ...

Add Yahoo as a preferred source to see more of our stories on Google. The orange dots show a few of the locations where all-time March record highs have been tied or broken from Monday through ...