Tonight, the powerful snowstorm and Arctic cold-slamming parts of the U.S. as millions head home from the Thanksgiving holiday.

The lake affects snow stretching from the Midwest to the northeast, a state of emergency in New York State up to six feet expected,

plus the cold plunge set to impact more than 200 million Americans.

Danger on the road of 15-car up in Michigan. And the biggest travel

crush is yet to come, the TSA bracing for what may be its busiest day ever. Your full

forecast ahead. Also tonight, the dash for deals on this Black Friday. Americans expected to spend

more than ever this weekend. But how do the savings stack up?

At a global strike at Amazon, will it impact when your holiday gifts arrive?

The missing camper found alive after seven weeks in the Northern Rockies,

how he survived the wilderness and blistering cold.

More than five years after it was nearly destroyed by fire, your first look inside the beautifully restored Notre Dame Cathedral.

Two food safety recalls over potential salmonella contamination. And the blockbuster battle,

Moana 2 breaking records on the heels of Wicked's huge opening as the box office rolls towards its biggest Thanksgiving weekend in years.

And our traditional kickoff to the holiday season with the spectacular Radio City Rockettes.

This is NBC Nightly News with Lester Holt.

Good evening. I'm Peter Alexander in for Lester with Thanksgiving now in the rearview mirror and tens of millions of Americans eyeing their return trips home.

That mega storm we've been warning about is now lashing the Great Lakes.

More than two feet of snow already in places and much more expected.

Tonight, the punishing conditions are snarling road

traffic and delaying thousands of flights from Chicago to Detroit, and they are likely to stick

around through the record-breaking travel weekend. Even if the snow misses you, the frigid cold

likely won't. More than 200 million people are expected to get hit with below freezing temperatures

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