Its April, so fishing can be decent up in the Big River. The water is still cold, so expect your best bet to be with nymphs and streamers. You may find some midges or baetis hatching if it gets a little warmer.
Patterns/Bugs:
Nymphs: Prince nymphs 10-16, Runt Stone Golden 12-16, Pats Rubberlegs 8-12, 20 Incher 10-14, Flashback Pheasant Tail 14-20, Zebra Midge 18-20, Blowtorch Jig 14-16.
Streamers: Buggers, Sculpzilla, Peanut Envy, Mouseketeer, Cheech Leech, Dungeons, Circus Peanut.
Dries: Vis-a-Dun Baetis 18-22, Smoke Jumper Baetis 18-22, Parachute Adams 16-22, Parachute Baetis 18-20.