Three Creek Lake really slowed down this week. Callibaetis hatches seem to be over, caddis seem to be over. Midges and Beetles and Ants will continue to be good for the rest of the open season. 
Zebra Midges, Blood Worms, limited but not over bigger #14-16 Chironomids, Damsel nymphs, Scuds, Leeches and Callibaetis Nymphs are all good choices. Don’t hesitate to fish a hot orange bead damsel nymph while wading the shoreline. 
Evening fishing is now pretty slow. I would guess on occasion we will still get some warm, calm afternoons and evenings and you might want to stay to dark on days like that….but summer is over.