A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

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

Extremely cold air is going to take over Michigan, as the center of the Polar Vortex drops far south. The center of this ...

A significant portion of the U.S. is experiencing below-average temperatures due to a disrupted polar vortex, affecting over ...

The polar vortex is unleashing an extreme cold wave across the United States, bringing a historic arctic blast, violent snowstorms, and freezing rain. Millions of people are facing one of the most ...

The polar vortex is bringing bitter cold and snow to NJ this weekend. Here's the weather forecast, from timing to how much ...

A major polar vortex is about to hit the US and could bring weeks of frigid temperatures for millions, with even a chance of ...

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.