The Midwest is home to some of America's finest trout streams. Michigan's Au Sable, Manistee, Pere Marquette, and Boardman rivers are all nationally recognized blue ribbon fisheries. Wisconsin's Driftless Area — particularly streams like the Timber Coulee and Kinnickinnic — offers exceptional wild brown trout fishing in a unique limestone valley landscape.

The Hexagenia limbata, or Hex, hatch is one of the largest mayfly emergences in North America and is most celebrated on Michigan's Au Sable River. It typically occurs from late June through mid-July, happening after dark in slow, muddy-bottomed pools. Large brown trout feed aggressively on the surface during the hatch, making it one of the most exciting — and unpredictable — dry-fly events in American fly fishing.

A standard Michigan fishing license is required along with a trout and salmon stamp. Some sections of designated blue ribbon streams, such as the Holy Water of the Au Sable, are catch-and-release and flies-only, requiring no additional permit but mandating adherence to specific gear restrictions. Always check current MDNR regulations before fishing any designated special regulation water.

The Midwest offers outstanding fly fishing for species beyond trout. Smallmouth bass on rivers like the St. Croix, Root, and Driftless tributaries are a favorite summer target. Steelhead runs on Michigan's Pere Marquette and Grand rivers draw anglers from across the country each spring and fall. Muskellunge, northern pike, and even carp are increasingly popular fly rod targets across the Great Lakes region.

Late spring (May–June) is prime time for hatches and dry-fly trout fishing. The Hex hatch draws devoted anglers in late June and July for an after-dark spectacle. Fall (September–October) is excellent for streamer fishing, brown trout pre-spawn activity, and steelhead on the Pere Marquette and Lake Michigan tributaries. Summer offers excellent terrestrial fishing on smaller streams.