St. Clair Country Club is an 18-hole private golf course in Belleville, Illinois, built in 1927 and designed by William Langford & Theodore J. Moreau. It sits in the $$ (moderate) price range for golf in Illinois. The course is open all year. Tee times can be booked 7 days in advance. Play is generally limited to members and their guests.
Details like fees and seasons change, so call the course before you head out.