Up to a foot of snow is expected from Ohio to DC in what could be the biggest such accumulation in over a decade.

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

Millions of Americans from the Ohio Valley to the mid-Atlantic are bracing for a wintry Monday with heavy snowfall, ice, rain and storms, which are forecast to disrupt morning commutes and snarl airline schedules across the East Coast.