A winter storm could drop another five inches of snow on the western suburbs, but little accumulation is expected in the city.
A winter weather advisory will be in effect until noon Thursday for portions of northern Illinois and northwest Indiana -- including DeKalb, Kane and Will counties, according to the National Weather Service.
A winter weather advisory means periods of snow will cause travel difficulties, and motorists should be prepared for snow-covered roads and limited visibility, the weather service said.
Snow is expected to develop about 9 p.m. Wednesday across northern Illinois and persist through Thursday morning, the weather service said. Up to five inches of snow is expected in the suburbs.
The weather service is predicting a 40 to 50 percent chance of snow in Chicago, which could get one to three inches of accumulation.
Temperatures in Chicago on Thursday are predicted to be around 29 degrees.
The Illinois Tollway will mobilize its full fleet of 183 plows for its 286-mile system, according to a release from the Illinois Tollway District. The Tollway has also canceled all temporary lane closures from 5 p.m. until noon Thursday.
Metra warned passengers about potential weather-related delays or service disruptions. Trains could experience minor delays and passengers should allow extra travel time.
In the air, the city's Department of Aviation is reporting no weather-related delays as of Wednesday evening.