CHICAGO (CBS) — Look for hazy sunshine for most of the day Wednesday.
Warm southwest winds will carry temps into the 80s.

(Credit: CBS 2)

(Credit: CBS 2)
The cold front will approach northern Illinois late in the day with a brief shower possible around dinner time.

(Credit: CBS 2)

(Credit: CBS 2)
Once the front has passed, a cool, northerly wind flow sets up through the night.

(Credit: CBS 2)
Expect cooler weather starting Thursday. Gusty winds on Thursday may build high waves at the lakefront.