Fall River giant stonefly hatch has started on lower river. Use your favorite dry pattern. Portneuf River PMD emergence going great guns. Robinson Creek is high and clear, but fishable with nymphs and wet flies. Try any bead head, wet renegade, or caddis emerger patterns. Birch Creek continues to be great fishing. Warm River has PMDs, caddis and sallys ongoing. Other small streams not draining really high country are beginning to shape up. These include Beaver Creek, the Medicine Lodge Creek drainage, and some of the Salt River tribs coming out of Idaho.