Saturday night Chicago weather

My Internet connection is so crappy right now that I don't think I have a prayer of extracting real sense from any of the weather sites tonight.

Does anyone up Chicago way have an opinion as to whether, if I drive up to Chicago tomorrow during the day (which I don't think will be a problem), I'll be able to get back again by early Sunday afternoon?  The last I heard there was supposed to be some weather coming in Saturday night, and I'm wondering how it looks from up there right now.