Snake River, Hells Canyon Dam to Clearwater Confluence (Lewiston)

September 10, 2026

By Barbless, compiled each morning from the gauges, forecasts and sources on this page.

Snake River, Hells Canyon Dam to Clearwater Confluence

Current conditions for Snake River, Hells Canyon Dam to Clearwater Confluence (Lewiston) · Map, access and gauges

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Conditions

Steelhead numbers are on the rise on the Snake, with recent counts showing fish actively moving upstream toward spawning grounds. Flows were running around 15,600 cfs on September 10. Focus your effort in inside corners, softer current lanes, tailouts, and transition zones where resting fish stack up between faster and slower water. Floating lines paired with Skagit heads and sink tips will cover the depths where migrating steelhead hold.

Gauges

Techniques

  • Use lighter line through shallower runs and switch to Skagit head or sink tip when water calls for it
  • Target inside corners, softer current lanes, tailouts and transitions between fast and slow water where traveling fish slow down

Recommended flies

floating linesSkagit headssink tips