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

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

While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of ...

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the Polar Vortex is coming this month.

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

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

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 ...

Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and ...

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