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

Alabama braces for another polar vortex blast bringing well below freezing temperatures. How cold will temperatures get? Here ...

"Bitter cold could linger through the end of the month," the Weather Prediction Center said in an update on Monday.

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

The severe weather pattern is caused by disruption of the polar vortex, which normally remains uniform over the North Pole.

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

A polar vortex is settling over the eastern United States, and temperatures are expected to fall into the weekend, bringing ...

A crippling winter storm that could paralyze parts of the Southern and Central U.S. this weekend, and some of the effects ...

Year-round, severe, Artic air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall ...

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.

The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It ALWAYS exists near ...

More snow is on the way for southern Ontario, with a widespread shot occurring on Wednesday. That will be followed by ...