There are a ton of strip pits around the Peoria area loaded with huge gills, and lots of bass. Then there is always the Banner Marsh lakes... Powerton Lake is outside of Pekin, but its a power plant lake, so if its open, the fishing should be prime right now.
Dont fish much around the area, so Im afraid I cant offer any any better advice. Good luck!
Strip pits always produce the biggest fish for me.
I would bet on the lakes around you that ice out early and try to find a dark bottom flat next to some deep structure and work your way deeper untill you find the pre spawn females. The little males go in first to make the beds.