According to Channel3000.com, The heaviest snow is now expected to fall over northern IL and southern Wisconsin - about 5 to 7 inches of snow with locally heavier amounts is now expected from Madison southward into northern IL.
Though the snow will wane off by Friday night, the winter weather won't be done just yet.
The Winter Storm warning for heavy snow accumulating up to a foot, possibly more in spots over Chicago area counties along and north of Interstate-80 has been moved up to noon CST Friday.
Early Friday, the National Weather Service received reports of 4 inches of snow in northern IL.
Two more rounds of snow on Saturday and Sunday could add up to 3 more inches, for a total around 8 to 11 inches by Sunday afternoon.
Heavy snow and strong winds already pounded Chicago and Detroit, where public school systems opted not to open Friday, CNN meteorologist Haley Brink said. Classes were also canceled in the city's suburbs.
The snow from a winter storm moving across the Great Lakes is leaving roads treacherous, closing schools and cancelling hundreds of flights across the upper Midwest.
Snow and ice warnings to continue across country
It states that snow will turn more showery overnight but with some heavier bursts possible, especially over Norfolk and Suffolk. Temperatures in the North also plummeted, and are expected to do the same at the end of the week.
The National Weather Service issued a winter storm watch from Thursday evening to Friday evening, warning of hard travel conditions during the Friday morning commute. "We've seen upwards of 1" per hour snowfall rates as well! He says "we're tried and tested here".
Some of the highest totals are forecast in northern IL, including the Chicago area, as well as northern in and southern MI. "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".
The bulk of flight cancellations affected Chicago's O'Hare and Midway airports and Detroit Metropolitan Wayne County Airport, according to the tracking site FlightAware.com.
Schools in Detroit shut for the day along with Wayne State University in Detroit and other schools across MI. You might do well to call ahead before leaving for the terminal as the snow storm heads across MI, and more flights could be cancelled or delayed today.
MDOT operates 85 plows in South west MI and have begun 12 hours shifts to try and keep up with the snow on state trunk lines and highways in southwest MI.
The Chicago Department of Streets and Sanitation deployed more than 300 plows overnight to clear the city's main roads and Lake Shore Drive for the morning rush, only occasionally hitting some side streets.