If you know of more shows I've missed let us know and I'll update the list.
Chicago Musky Expo
January 8-10, 2016
Hoffman Estates, IL
Musky fishing show. For fly fishing see the Milwaukee expo.
Chicago Fishing Travel and Outdoor Expo
January 28 – 31, 2016
Location: Schaumburg Convention Center, Schaumburg, IL
Fishing show with lots of exhibitors/vendors/programs, very limited fly fishing materials/programs.
Milwaukee Musky Expo
February 12-14, 2016
West Bend, WI
Milwaukee version of Chicago show. This year presents a special fly fishing section with fly specific seminars, guides, vendors, flies, and casting pool.
Tinley Park Fishing Show
February 13&14, 2016
Tinley Park, IL
Large space, tons of gear.
Spring Opener – Badger Fly Fishers
Date: February 13, 2016
Location: Madison, WI
There will be vendors, fly tying demonstrations, raffles, etc.
Great American Fly Fishing Expo
Date: February 19 – 21, 2016
Location: Indiana State Fair Grounds, Indianapolis, IN
Manufacturers and retailers of fly fishing rods, reels, boats, clothing, fly tying tools and materials and accessories, fly fishing guides, resorts, lodges and outfitters focused on Midwest fishing.
Madison Fishing Expo
Date: February 26 – 28, 2016
Location: Alliant Energy Center, Madison, WI
Bronzeback Blowout – Illinois Smallmouth Alliance
Location: American Legion Hall, Elmhurst, IL (suburban Chicago)
Date: March 5, 2016
River Falls Fly Fishing Festival
March 11&12 2016
River Falls, WI
Friday night F3T, Saturday fly fishing expo
2016 Midwest Fly Fishing Expo
March 12 & 13, 2016
Location: Macomb Community College Sports & Expo Center, Warren, MI
Show has demonstrations and programs on fly tying, fly casting, fly fishing seminars and more in 61,000 square feet of exhibition space.