Below, a dry dropper may work later in the day, but you may have to go deep with a double nymph rig first thing.
Above, dry/droppers but the full nymph rig might be called for. A stonefly and mayfly nymph rig in the deepest water, or throw a mouse during the first and last lights of day. Streamers too.
Nymphs: Prince Nymphs 12-16, Brown Wired Stone 10, Copper John 12-18, Pats Rubberlegs. Pheasant Tails 16-20, Rios Rain Drop, and other Euro Nymph Jigs 10-16.
Dries: 10-14 Yellow Stimulator, 12-16 Elk Hair Caddis, 12-16 Chubbies in tan, brown, black, and royal.