For nymph fishing a cream, and black midges size 20-24, Copper john and pheasant tails size 20 and a RS2 in grey 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 foam beetles in all sizes and cartoon hoppers in all sizes are fishing good.
For streamer fishing a White and olive, and tan and olive zig jig are fishing great.