The river flow is now at 600cfs and we don’t know how long they are going to run it at 600 but enjoy it while you can. 5x- 6x fluorocarbon tippet is best. Fishing slower moving water off of fast water is holding the most fish.
For nymph fishing a black and grey midge size 22-24, Copper john and pheasant tails size 20 and a red larva or red annelid size 20-22, Grey and black foam back emergers in size 20-22. Fish your midges hovering above the bottom around 6 to 12 inches you do want to be on the bottom when using midges.
For dry fly fishing midge clusters in size 18-20, When the sun starts to go down a foam hopper in the bigger sizes are good.
For streamer fishing a brown, triolive and white zig jig are fishing great