Over 100 million Americans are under winter weather alarms this morning from Minnesota to Maine since the storm continues to track eastward.
Heavy snow is coming down this morning across the Great Lakes and Midwest and moderate to heavy rain is falling across the Ohio Valley into the Southeast.
Overnight in Chicago, there were reports of 1 inch of snow per hour snowfall rates and quarter-mile visibility.
By Sunday night, snow will spread across the Midwest to the mid-Atlantic hitting Washington, D.C. and Philadelphia.
Snow spreads throughout New York City overnight and proceeds across the I-95 corridor throughout the afternoon on Monday with the heaviest snow falling during the afternoon hours.
From Monday evening we could observe a period of mixing and just a transition to a cold rain for coastal areas. Any freezing rain or sleet will make travel hazardous as tough surfaces will become icy.
The heaviest snowfall totals of a foot or longer will remain west of the coast and to greater elevations and New York and Philadelphia have a fantastic probability of seeing 6 to 12 inches of snow with Washington, D.C. and Boston looking at totals at the 3 to 6 inch range.
Elsewhere, a collection of systems will proceed throughout the Pacific Northwest and Northern California over the upcoming few days bringing heavy rain.
There's a danger for flash flood across southern Oregon and Northern California in which they could see up to 5 inches of rain.
Additional snowfall of 1 to 2 feet is expected along the Cascade mountain range during Monday evening with an avalanche warning was issued to the region from Lake Chelan southward to I-90 through 6 pm Sunday.