CHICAGO (CBS) — Lows Tuesday night will range from 32 to 39 degrees.
Some areas west of I-39 could have patchy frost in the morning. A frost advisory has been issued for western Illinois.
On Wednesday, skies turn cloudy by lunchtime and a few sprinkles could be around for the evening commute. Temps struggle with many areas topping out in the upper 40s near 50.
For Thursday, it will be partly cloudy with a high of 54, but only upper 40s lakeside.