Post-Thanksgiving travel will be treacherous in parts of the Great Lakes region on Sunday due to several feet of lake-effect snow, while biting cold temperatures sweep across a large swath of the United States.

Parts of New York, Michigan, Ohio and Pennsylvania have been walloped by a major winter storm that dropped feet of lake-effect snow over the weekend. CBS News national weather correspondent Rob Marciano has more on the show and CBS News senior transportation correspondent Kris Van Cleave has a look at how it's complicating post-Thanksgiving travel plans.

A long-duration lake-effect snowstorm is continuing to pummel the Great Lakes region after dumping 3-5 feet of snow in cities from Michigan to New York that paralyzed travel as people tried to get home after the busy Thanksgiving holiday weekend.