The extreme weather is being caused by the polar vortex, an area of cold air that circulates around the Arctic.

Kentucky, Virginia, West Virginia, Kansas, Arkansas, and Missouri have declared states of emergency as the storm brings dangerous travel conditions.

Millions of Americans are bracing themselves for a start to the week that’ll include snow, ice and storms. The treacherous weather encompasses a 1,300-mile swath of the United States will affect an estimated 62 million.