A sprawling storm is sweeping across the US, bringing a significant severe weather threat from the Gulf Coast to the Northeast, and blizzard conditions are threatening parts of the Midwest. CNN ...

A drastic weather pattern change is about to induce an acute case of weather whiplash.

• Monster storm: Snow and dangerous ice spanned hundreds of miles from Texas to the Northeast. • Thunder ice: Power outages increased from ice across the South. Thunder and lightning were observed in ...

• Storm on the move: Snow and dangerous ice is falling in the south-central US and spreading east. The storm will impact more than 2,000 miles from Texas to New England through the weekend. More than ...

Supercell thunderstorms are dangerous storms that unleash large hail, roaring winds and powerful tornadoes.

(CNN) — A powerful winter storm will form off the East Coast this weekend amid a bout of deadly cold, but predicting its track, intensity and who could see snow will take another day or so to become ...

There are increasing indications El Niño is likely to form and strengthen into potentially a significant event during the next several months, throwing weather patterns worldwide out of whack and ...