Powerful Noreaster brings first major snowfall of the season to major cities, nine dead in South Dakota plane crash, and officer shoots armed student inside Wisconsin high school.Watch NBC Nightly News With Lester Holt at 6:30 p.m. ET 5:30 p.m. CT (or check your local listings). 1:39 Powerful Storm Slams Millions, Causing Travel Nightmares 3:18 Plane Crash In Blizzard Conditions Kills Nine Family Members4:35 Massive Storm Forces Thousands Of Flight Delays & Cancellations5:52 Officer Shoots Armed Student Inside Wisconsin High School7:37 Urgent Manhunt After Shooting Injures 10 In New Orleans 8:05 Prince Andrew's Accuser Speaks Out: 'I Had Just Been Abused'10:03 Trump At NATO Summit As Impeachment Inquiry Enters New Phase10:31 GOP Senator Pushes Debunked Ukraine 2016 Conspiracy Theory11:46 Chicago Police Superintendent Fired For 'Ethical Lapses'12:18 U.S Congressman To Plead Guity To Campaign Finance Violations13:47 'Will & Grace' Actress Shelley Morrison Dies At 8314:33 New Lawsuit After Deaths Linked To Mold At Children's Hospital16:17 Big Deals You Can Still Score On Record-Breaking Cyber Monday