Joe,
It takes me about 17 hours to get to Wausau. It all depends on Chicago, if I get through during non-rush I can make it in 16. I've made it in one push, it was convenient when my buddy lived 1/3 way but now he's back in WI. From where you are at it's about 13-14 hours.
You are more than welcome to stay at my place if you can swing it, Bring your son or a buddy and the drive will be quicker. That way we can swap WI hunting stories then at the hunt you can learn about NE hunting.
Charlie
PS, I can bring a couple packages of plates, Not sure how many in a package but I'll bring some heavier ones that don't fall apart with Curt's pulled swine!