Extreme cold warnings span several eastern states as of Friday, with meteorologists warning of frigid wind chills.
At least 13 states were facing winter weather conditions on Wednesday, including heavy snow and freezing rain.
A pattern change "favors an increased risk of hazardous weather over much of the western half of the U.S.," according to the CPC.
"A significant Arctic outbreak" is expected this weekend, forecasters say, bringing with it "bitterly cold temperatures." ...
Heavy snow, ice and brutal cold are expected to make this winter storm a potentially life-threatening weather event, ...