CHICAGO (CBS) — Look for isolated showers or a rumble of thunder Wednesday evening.

(Credit: CBS 2)
Skies will be clearing through the night. It will be warm and dry tomorrow with highs in the mid-80s, and slightly cooler lakeside.

(Credit: CBS 2)
It will be getting steamy on Friday. Strong storms are possible into Friday night.

(Credit: CBS 2)
We’ll fine tune the timing as we get closer. The Storm Prediction Center has us in a slight risk.