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

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

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

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen there all ...

As a historic winter storm pushes ... of seeing snow happens when a storm pulls in moisture from the Gulf of Mexico while cold air is being pushed from the north. Of course, if cold air is moving ...

While much of the nation deals with snow storms and icy conditions, California braces for heavy rain and potential flooding.

Meteorologist Geoff Fox reports on a series of severe weather events affecting the United States. Starting in Montana and ...

The storm will impact about 200,000 square miles with snowfall rates of 1 to 2 inches per hour in some areas. And more winter ...

Winter alerts were in effect across the central Plains, the Midwest, the Ohio Valley and the mid-Atlantic ahead of two storms ...

More than one million people in eastern Montana and the Dakotas are under extreme cold warnings on Monday and Tuesday.