Forecasters are warning that the breakdown of the polar vortex high above the Arctic will not bring relief from winter, but ...

Sudden stratospheric warming is expected to keep a weakened vortex splintered, plunging the region back to record-breaking ...

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

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

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

A collapse in the polar vortex is letting Artic air come here. What that means, and why it happens.

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