460 flights at the city's largest airport were canceled and at least 300,000 homes and business lost power.
Check flight schedules if you have travel plans.
To the west, parts of the Plains States were reporting 100 percent snow-and-ice-covered roads before noon today.
Because of the poor weather conditions in Kansas City, RideKC announced it was suspending service at 6 p.m.
Omaha and most of the area north of Interstate 80 was still under a winter weather advisory Sunday morning.
"It's going to be messy", said Todd Kluber, a meteorologist for the National Weather Service who is based in suburban Chicago.
- All of southeast MI will be getting some snow today, but depending on where you live you'll see more than others.
Winter Storm Bruce brought snow and heavy winds to the Midwest and Great Lakes before heading into northern New England early in the week.
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He then spotted a human tooth in a blender, giving rise to a suspicion of murder and then leading to the woman's recent arrest. State-owned UAE newspaper The National reports it was there that the brother found a human tooth inside a blender.
According to FlightAware.com, more than 3,000 flights in the U.S. have been canceled due to the wintry weather conditions over the past couple of days, and more than 10 million people are now under a blizzard warning.
However, heavy snow will still continue through the early hours of Monday morning-with blizzard warnings still in effect through 6am local time from northeast Missouri northward into southeast Wisconsin/northeast IL, including the greater Chicago area.
A system arriving in the region Sunday night could dump 5 to 8 inches of heavy, wet snow through Monday afternoon.
In response to the storm, Kansas Gov. Jeff Colyer issued a state of emergency declaration."Here in Kansas we make it a priority to take care of our neighbors", said Colyer. Visibility will be severely restricted and travel extremely risky - trees and power lines may be downed with subsequent power outages likely.
Four to six inches of snow are likely in Chicago, with between eight and 12 inches possible in the northwest suburbs, according to ABC7's forecast. Between 4 to 6 inches of snow was expected in the Kansas City area.
The bulk of the snow is expected to fall Sunday evening, which could also potentially affect the Monday morning commute.
This is not a storm to mess with, as it causes unsafe conditions on the roads while dumping so-called "heart attack snow", which is very wet, heavy, and hard to shovel. Flights were mostly on time Monday at Kansas City International Airport, one day after the storm caused widespread delays.