People in 13 states were warned of heavy snow and hazardous travel on Friday as multiple winter storms threaten.

Hawaii issued a ground stop for all interisland ... a major winter storm for the BIg Island's mountain peaks. A Winter Storm Warning for the Mauna Kea and Mauna Loa summits on the Big Island ...

Spencer Platt/Getty Images As of early Tuesday morning, winter storm warnings were in place in Kansas, Iowa, Missouri, Kentucky, Virginia, Maryland, West Virginia, Delaware, New Jersey ...