The weather service is expecting snow in parts of Cook, DuPage and Lake counties and has issued a winter weather information Thursday morning.
Officials said 2 to 4 inches of snow was expected to accumulate near the I-290 corridor and 4 to 7 inches near the Wisconsin border by about 6 p.m.
The heaviest snowfall is expected between 8:00 PM Thursday and 2:00 AM Friday. Snowfall rates are expected to peak at about 1 inch per hour Thursday evening, officials said.
Heavy sleet is expected to make shoveling dangerous for some, officials warned.
A persistent storm on the west coast created Atmospheric river bringing moisture to the northern/central Plains and the Great Lakes and Appalachians, officials said. More precipitation is expected on the west coast.
A dangerous weather forecast was issued Thursday morning for parts of north-central and northeast Illinois and northwest Indiana. Increased snowfall is expected in these areas, especially north of I-80. Several inches of “sloppy” and sleet are expected to accumulate, with the heaviest amounts near Wisconsin, officials said.
The current temperature at O’Hare was an overcast 37 degrees and Midway was the same.