Temperatures on the final weekend of November in southern Colorado remain well below average with arctic air in place. Additional cold air is on the way, and another round of mountain snow is ahead.

A powerful Arctic blast could bring the coldest air of the season to the Eastern U.S. by mid-December. Another surge of ...

The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

Arctic blast, polar vortex and Alberta clipper are all explained as Kalitlyn McGrath breaks down what makes winter weather so ...

The Polar Vortex is about to unleash even colder Arctic air through the middle of December, and one or two coastal storms ...

Monday is set to be the coldest day of the arctic air outbreak, where temperatures will be subzero across Montana, the Dakotas, Wyoming, Minnesota and Wisconsin.

Forecasters have said parts of the U.S. can expect frigid temperatures in December. A first round has arrived, and more cold ...

Saturday is largely looking beautiful across southern Colorado, although it will be breezy - and windy in the southern ...

A blast of Arctic air gripped much of the central and eastern portions of the U.S. on Friday in sub-freezing temperatures ...

The Northeast is bracing for its coldest temperatures of the season as an arctic blast hits the Midwest and then moves east.

Tracking an arctic blast headed for Alabama; Weather forecast is freezing cold and windy by Sunday Pebble Beach Co. spent ...