The early October storm in Colorado follows a Montana blizzard that set a record for the heaviest two-day October snowfall.
Ice, freezing rain and winter storm warnings were in effect from the Texas panhandle north into Iowa and east through central Indiana.
The storm could affect up to 50 million people along the Eastern Seaboard.
Zachary Maxwell, 12, made a documentary film about what makes for a snow day in New York City.
Hundreds of thousands are without power and 13 people are dead in a massive winter storm burying the East Coast under snow and ice