Consulting various sources, chief among them being Jim Humphrey & Bill Shogren's excellent Trout Streams of Wisconsin and Minnesota, the best flies for the upcoming Labor Day weekend in Wisconsin should be...
Dark Blue Quill #14-16
Slate Winged Mahogany Dun "
Blue Dun "
Small Yellow Mayfly #20-24
Griffiths Gnat #16-24
Blue Winged Olives #16-24
Gold-rib Hare's Ear #18
Tan, Olive, and Speckled Caddis imitators #14-20
Green Raggedy Caddis Larva #16
Peeking Caddis #16
Dave's Hopper #6-10
Scuds in tan, pink, olive, brown & purple #14-18
Wooly Buggers in olive, brown, and black #6-10
Pale Evening Dun #16
Black Ant #10-18
Ladybug #14-18
I've got a lot of tying to do!