Snow will turn heavy with the secondary low cruising up the coast early Wednesday morning.
"Power outages due to heavy snow and/or strong winds are possible in eastern MA", the weather service said. On Wednesday, a woman died when a van overturned in a weather-related crash.
Ryan said snow accumulation could vary across the metro, with Hudson, Wisconsin seeing a light dusting and Minnetonka seeing between 3 to 4 inches.
There were big snowflakes around lunch time on Tuesday, then hours of rain, and bouncing ice pellets before more snow in the late afternoon in Gloucester Township.
Later, on Saturday night, snow will be moving into Appalachia.
Meanwhile, a new storm is forming in the Dakotas.
Rates of up to 5 inches per hour were reported, unusual for the Island, meteorologists said.
Heavy mixed precipitation is forecast for an area of central IN along and north of Interstate 74.
Generally we are looking at five to nine inches of snow, but there may be pockets of eight to 12 inches, just west of the city in some of the same areas as a week ago.
Schools across the region closed Wednesday, and the Office of Personnel Management closed offices in the District, instructing most federal employees to work from home.
The storm also cut power to than 90,000 customers from the mid-Atlantic to New England, including 87,448 in New Jersey, 3,614 in NY and 2,967 in Delaware. But city schools reopened Thursday, even as a few dozen schools across the area made a decision to declare another snow day.
The state's major utilities reported slightly more than 75,000 customers were still without service early Thursday.
More than 4,400 flights were canceled within, into or out of the United States on Wednesday, and more than 600 flights have been canceled so far on Thursday, according to aviation data services company FlightAware.
Many schools across New York, New Jersey and CT were closed Wednesday. The snowstorm was mostly unwelcomed, as residents expressed their desire to get out of the current pattern of frequent coastal storms and on to warmer spring weather. At least two traffic deaths were reported in New Jersey and on New York's Long Island.