Even afterward, meteorologist Allison Santorelli sees bitter cold "across basically the entirety of the eastern two-thirds of the nation."

Impacts from what could be the most significant storm of winter are expected to begin on Friday, spreading ice, snow and cold across much of the U.S.

“Behind the storm it’s just going to get bitterly cold across basically the entirety of the eastern two-thirds of the nation, east of the Rockies."

Even afterward, meteorologist Allison Santorelli sees bitter cold "across basically the entirety of the eastern two-thirds of the nation."

A monster winter storm paralyzed eastern and southern states with heavy snow and ice.

A deadly winter storm may be winding down for some, but extremely cold weather will persist. Here are the latest updates on power outages and forecasts.