Most of the tri-state was scheduled to be under a winter storm warning by the afternoon, when conditions pick up and heavy snow bands could drop as much as an inch of snow per hour. For some, it’ll be the most snow in nearly three years.

Delaware does not declare snow emergencies, though the state does have a three-level system of driving warnings and restrictions in place to ensure the safety of all Delawareans during bouts of disagreeable weather. SNOW DRIVING RESTRICTIONS: Bad weather can lead to various driving restrictions. Here's what to know in Delaware

The snow is likely to fall on Sunday from the Appalachians to New England. New York City may see its largest snowfall in years.