Three major U.S. airports to screen for mystery virus, rescue mission underway after Northern California avalanche, and a massive winter storm brings dangerous travel from coast to coast.

Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m. CT (or check your local listings).

1:43 CDC To Screen For New Mystery Disease At U.S. Airports

4:06 Deadly Avalanche Emergency At Popular Ski Resort

5:27 Massive Winter Storm Threatening Nearly 100 Million

7:22 Winter Storm On Move Across 37 States, Texas To Maine

8:16 Trump's Defense Team Adds Ken Starr And Alan Dershowitz

10:00 Rudy Giuliani Not Expected To Join Trump's Defense Team

10:22 Harvey Weinstein Trial Jury Selected, & Men And 5 Women

10:46 Grammys Chief Suspended After 'Misconduct' Allegation

13:01 Four New Suspected White Supremacist Arrests Before Gun Rally

14:39 Andrew Yang's Wife Evelyn Says Doctor Sexually Assaulted Her

14:52 Teachers File Lawsuit Over Delta Plane's Emergency Fuel Dump

18:01 Weekly Home Mortgage Rates Soar Over 30 Percent

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