Chicago First Alert Weather: Warm Today, Colder Tomorrow

CHICAGO (CBS) -- Temperatures are running a good ten degrees above normal today.

According to CBS 2 meteorologist Mary Kay Kleist, the normal high is 41 degrees. A couple of weak systems will move through during the workweek.

Around noon tomorrow, a lake enhanced cold front will move in to shift winds northeasterly. Then notice the big temperature drop between Wednesday to Thursday.

That is due to a cold front. Best chances for impressive precipitation arrives this weekend in the form of rain. Rain is likely for Saturday.

TONIGHT: Turning cloudy. Low 34.

TUESDAY: MOSTLY CLOUDY. HIGH 49.

WEDNESDAY: MOSTLY CLOUDY. HIGH 51.