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

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.

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

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

Waves of frigid air will continue to be released into much of the eastern United States through at least the middle of the ...

Temperatures could fall below -20 F across certain parts of North Dakota and Minnesota.

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 ...

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

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

The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast. Here's the forecast.

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