A drastic weather pattern change is about to induce an acute case of weather whiplash for most of the country. During the next few days, a record-setting Western heat wave will settle in while ...

What are meteorologists supposed to do when the models they rely on disagree so sharply? And how should you interpret the forecast?

• 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 ...

• Storm’s impact growing: Snow and dangerous ice spans 1,300 miles of the US and is still pushing east. It will impact more than 2,000 miles from Texas to New England through Sunday. • Thunder ice: ...

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 ...

(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 ...

(CNN) — Much of the United States is experiencing prolonged and extreme cold weather, with recent winter storms, dangerous windchills and record low temperatures affecting millions of people. As ...