Fly Fishing Hatch Charts by State
Month-by-month hatch charts for western rivers — what's hatching, what to tie on, and when to be there. Each chart includes fly sizes, key patterns, and links to shop by type.
Shop by type: dry flies, nymphs, hoppers and terrestrials, streamers.
Oregon
- Chewaucan River — redband and brown trout, high-desert meadow water
- Grande Ronde River — redband trout, summer steelhead, golden stones
- Wallowa River — wild rainbows and bull trout in the Wallowa Mountains
Washington
- Grande Ronde River — lower canyon steelhead, redband trout
Idaho
- St. Joe River — westslope cutthroat, salmonfly hatch, roadless upper canyon
Montana
- Madison River — Ennis to Three Forks — trophy brown trout, Bear Trap Canyon, fall brown trout run
- Madison River — Hebgen Lake to Ennis — blue-ribbon brown trout, salmonfly hatch, world-class hopper fishing
- Rock Creek — brown trout, cutthroat, salmonfly hatch near Missoula
Wyoming
- Madison River — Yellowstone National Park — rainbows and browns in the park's iconic meadow stretch (Wyoming section, park permit required)
Colorado
- South Platte River — Cheesman Canyon, Deckers, Eleven Mile Canyon, and the Dream Stream
New charts added regularly. Contact us to suggest a river.