Plunging temps and snow on the menu this Thanksgiving for millions across U.S.

A blast of Arctic cold air is set to sweep across the country just as family and friends take to the roads and skies to gather for Thanksgiving. Parts of the Rockies and Plains are already feeling the chill, but the temperature drop pushes south and east through the end of the week.
The cold plunge is already arriving in the Upper Midwest and northern Great Lakes Tuesday night into Wednesday along with strong winds and a potent winter storm. Winter storm warnings and blizzard warnings are in effect for more than