(CNN) — 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.

(CNN) — 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 ...

(CNN) — High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

(CNN) — A blast of fall-like weather is coming for much of the United States, and unlike the last brief break from summer heat, this cooldown will have some staying power. It will feel more like late ...

(CNN) — A big pattern change is on the way for the United States with a blast of Arctic air set to bring a first taste of winter to millions. It all starts this weekend as a cold front allows December ...

(CNN) — The National Oceanic and Atmospheric Administration is narrowing the capabilities and reducing the number of next-generation weather and climate satellites it plans to build and launch in the ...

(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 ...

(CNN) — A serious flood threat is on tap for some of the driest areas of the United States as an ailing former Hurricane Priscilla combines with another storm system to create a long-lasting rainfall ...

(CNN) — Thanksgiving is a week away and more than 80 million Americans are planning to travel at least 50 miles from home. But the weather has the potential to disrupt their visits with family and ...