A nor'easter headed up the East Coast could cause havoc for millions of Thanksgiving travelers.
A coastal storm is forecast to dump rain along the coast and snow inland. That could cause delays along busy Northeast highways and possibly upset travel plans at airports throughout the region.
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Precipitation is forecast to sweep in from the south Tuesday night into Wednesday morning and exit the region Thursday morning.
Jeff Masters is chief meteorologist for Weather Underground. He says a small deviation in the track could change things dramatically.
The highest amount of snow is expected to fall in northeastern Pennsylvania, the Catskills of upstate New York and into Connecticut, Massachusetts, New Hampshire and Maine. Up to 10 inches is possible in some places.