More than 8,000 flights across the U.S. set to take off over the weekend have been canceled as a major storm expected to wreak havoc across much of the country bears down, threatening to knock out power for days and snarl major roadways.
Roughly 140 million people were under a winter storm warning from New Mexico to New England. The National Weather Service forecast warns of widespread heavy snow and a band of catastrophic ice stretching from east Texas to North Carolina.
