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.

The first big snow of the season threatened to bury towns in New York along lakes Erie and Ontario during a hectic holiday travel and shopping weekend, while winter storm conditions could persist into next week and cause hazards in the Great Lakes,

As biting cold temperatures sweep across a large swath of the US, parts of the Great Lakes face more than a foot of additional lake-effect snow through Tuesday – the latest complication for cities already blanketed by snowfall amid post-Thanksgiving travel.