Snow squalls could sweep across New Jersey between 1 and 7 p.m. on Sunday, according to the National Weather Service.

Millions of Americans live in areas under winter storm alerts stretching from northern Minnesota to the Eastern Seaboard.

Since the initial advisory, the storm has grown in strength and severity as meteorologists now expect as much as three feet of snow in some areas. As a result of the increased threat, issue a blizzard warning for parts of Wisconsin and Minnesota, warning of “dangerous” and “potentially life-threatening” conditions.