Lake-effect snow could accumulate over a foot for some along the lakeshore by Tuesday evening. Travel could be treacherous as salt becomes ineffective with the cold.
Tens of millions of residents along the East Coast are bracing for several inches of snow Sunday followed by dangerously cold temperatures that will grip much of the country from the Northern Plains to the tip of Maine.
Millions in the U.S. are in the path of a major winter storm bringing snow and ice and creating dangerous conditions from the Central Plains to the East Coast.