Butler National Golf Club is an 18-hole private golf course in Oak Brook, Illinois, built in 1974 and designed by George & Tom Fazio. It sits in the $$$$ (splurge) price range for golf in Illinois. The season runs Apr 1 to Nov 30 (closed on Mondays). Play is generally limited to members and their guests.
Details like fees and seasons change, so call the course before you head out.