December 6, 2013; 4:05 AM ET
After basking in balmy air much of this week, a return to colder weather will be accompanied by multiple rounds of wintry mix into early next week around New York City. more >
Dec 6, 2013; 9:14 AM ET Ice, snow and rain cover a large part of the nation. See how it will impact your region with Evan Myers and Elliot Abrams.
On Dec. 7, 1993, a gunman opened fire on a train car filled with commuters leaving New York City. By the time passengers tackled Colin Ferguson, his fusillade had left six people dead and 19 wounded.
A swath of snow and wintry mix with slippery travel will develop from Oklahoma City to St. Louis, Indianapolis, Pittsburgh and Albany, N.Y., prior to the weekend.
An ice storm will continue to affect millions of people into Friday and threaten to cut power for hundreds of thousands from northern Texas to western Kentucky.