The Chicago area will likely see it’s first measurable snow on Tuesday.
A Winter Weather Advisory has been issued from 9 a.m. to 6 p.m. Tuesday for several counties including portions of Boone, Cook, DeKalb, DuPage, Grundy, Lake, La Salle, Lee, Kendall, Ogle, McHenry and WIll in Illinois and Lake County in Indiana.
Slippery travel conditions due to steady snow expected.
Snow is likely to develop in the 10 a.m. to noon time frame and continue until shifting gradually to rain later in the day. 1 to 3 inches of snow likely with lighter totals south of the I-88 corridor.
Tuesday’s High of 37. Tuesday night will be cloudy, damp and with some patchy light rain possible at times, especially early. Low of 28.
Then cooler air moves in.
Wednesday will see extensive cloudiness and seasonably chilly. High 36.
The last measurable snow to fall in Chicago’s city limits occurred 287 days ago on March 15, 2021 (1.8″ fell then). We’re now 39 days past the historic average first day for measurable snow in Chicago–a snowfall which has historically occurred on or about Nov. 18.