A winter storm will drop heavy snow on parts of the Midwest and Northeast on Thanksgiving, snarling holiday travel.

Tens of millions of Americans will be impacted by a storm set to drench the eastern United States this Thanksgiving.

A powerful winter storm packing heavy snow, rain and even severe weather is set to snarl Thanksgiving travel in the eastern half of the U.S. after first walloping the West with winter weather that led to celebrations at ski resorts ahead of the holiday.