🥶 LIFE-THREATENING COLD: More than 70 million Americans could face wind chills below zero as an arctic blast tightens its grip on large part of the U.S. Subfreezing temperatures will eventually reach as far south as the Gulf Coast as millions across the region will feel their coldest wintertime temperatures in several years. Dangerously cold temperatures will then spread into the Great Lakes and Northeast by the weekend, freezing areas in the wake of what's expected to be a crippling winter storm. Get the latest forecast on the FOX Weather app and link in bio. #cold #coldweather #weather #windchill #winter #winterweather