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A Winter Storm Watch will be in effect for some northern and western suburbs from Tuesday morning to Wednesday morning, the National Weather Service said.
A Winter Storm Watch for Boone, McHenry, Winnebago, Ogle, Lee and DeKalb counties will be in effect from 6 a.m. Tuesday to 3 a.m. Wednesday, NWS said.
Chicago could see 2 to 6 inches of total precipitation through Wednesday morning. The western suburbs could see 3 to 7 inches, and the far western areas could see 4 to 9 inches. Wet, heavy snow and gusty wind could lead to issues on the roads.
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The first round is expected to arrive between 8 p.m. and 10 p.m. Monday, and could bring between 1 and 3 inches of precipitation to the city. It will transition into a rain/snow mix throughout the Tuesday morning commute between 7 a.m. and 10 a.m. Areas south of Chicago are expected to get the heaviest of the wet snow.
On Tuesday evening, most of the area will see snow between 7 p.m. and 9 p.m. Light snow is expected steadily from 3 a.m. to 5 a.m. Wednesday.
The highest precipitation totals from the Tuesday night round are expected west of Chicago, especial toward McHenry, Kane, LaSalle and DeKalb counties. It could bring an additional 1 to 3 inches of precipitation to the city and an additional 2 to 4 inches for the western suburbs.