Ushering in the vortex is a winter storm, the third one of the week, which will track from the Intermountain West on Friday ...

Wind chill values Saturday night into Sunday morning are expected to be around -35°F across North Dakota and northwest ...

Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

Meteorologists are not yet sure how bad a brewing storm will be — some models signal a brewing blizzard in the Northeast.

Winter's grip is only going to get firmer. Record lows and a winter storm are on the horizon. Here's our latest outlook.

The latest arctic blast will move into the northern Rockies and northern Plains Saturday and spread to the central and ...

As the polar vortex stretches its icy grip, America braces for a winter like no other. Discover the forces behind this ...