A major winter storm set to slam the U.S. later this week has shifted its path slightly before it arrives on Friday.

A major winter storm is set to spread heavy snow and damaging ice across a large portion of the United States over the coming days. Dangerously cold temperatures will only worsen the storm and increase its danger.

Large parts of the eastern and central United States are expected to see heavy snow. But south of the snow line, forecasters are warning that the storm could deliver dangerously icy conditions. Exactly where that snow vs. ice line will fall was still uncertain on Wednesday.

Hitting the road this weekend during winter storm Fern? Check out these winter driving safety tips, including what to do if you get stuck.

Over 175 million people face heavy snowfall, power outages, and travel disruption as sub-zero temperatures are forecast.

A powerful Arctic blast is set to bring dangerous cold, heavy snow, and ice to more than half the U.S., stretching from Texas to the Northeast. Officials urge millions under alert to prepare as the storm threatens record-breaking temperatures and hazardous conditions.