Waves of frigid air will continue to be released into much of the eastern United States through at least the middle of the month. The ongoing pattern may trend stormier with areas of snow and ice ...

The polar vortex isn’t just “cold air” — it’s a massive atmospheric engine that can shift and crack, sending brutal winter outbreaks far from the Arctic. This decade, scientists warn its behavior ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States ...

A polar vortex will linger through much of the country for most of this February, prolonging the deep freeze for weeks to ...

A shift in the polar vortex has forecasters watching closely as the coldest air of the season approaches. Here's what to know ...

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands ...

The bitter cold temperatures that have left a chill over the eastern half of the country aren't going anywhere, as a major ...

A massive winter storm is about to hit much of the United States, bringing snow, sleet, icy rain, and exceptionally low temperatures. Here’s how to protect yourself, especially if you have a medical ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...