Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex ...

A polar vortex expansion is bringing extreme cold and heavy snow to over 150 million Americans across two dozen states.

A powerful winter storm, influenced by a polar vortex, is impacting much of the U.S., bringing heavy snow, ice, and extreme ...

A major ice storm is expected to impact multiple states from Texas to Georgia this weekend, ...

Get ready for a winter blast in Louisiana as snow and freezing rain approach. Let’s take a moment to thank our brave outdoor ...

A winter storm is expected to move through the Deep South and East Coast this weekend, bringing heavy rain and icy conditions ...

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

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 ...