Snow fell at a heavy rate overnight in much of Bureau County, Putnam County, the cities along the Interstate 80 corridor and also along the Route 71 and 34 corridors.
The National Weather Service says Sunday was the ninth consecutive day of "measurable" of snowfall in Chicago. The heavy snow is forecast to move into upstate NY and New England by early Saturday.
City officials announced school closures in Chicago, Detroit and Milwaukee because of the weather.
A major winter storm pounding the Midwest has turned deadly. "Even after the heavy snow ends there still will be continuous cleanup needed". "We're up to it".
Since February 3rd, measurable snowfall (at least 0.1 inches or greater) has occurred in Chicago, making this an impressive nine-day consecutive streak.
For most of northern IL, a few inches of accumulation are likely.
The National Weather Service said the system could drop up to 14 inches (36 cm) of snow in some areas. "I saw the plows come by, so I figured I'd get a jump on it so I wouldn't have to shovel it when it's 4 feet high".
About 1,250 USA flights were canceled, with about one in five flights into or out of Chicago and Detroit airports called off, according to FlightAware.com, which tracks airline traffic. About 200 flights were canceled or delayed at Detroit Metropolitan Airport in Romulus, Michigan on Friday. Michigan State Police said about 50 vehicles were involved in the Friday afternoon pileup in the highway's eastbound lanes just east of Kalamazoo.