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

September 12, 2026

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

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

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

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Flow

14,000 cfs

Trend

Steady

Observed

37d ago

Conditions

The Snake River is running clear and manageable in early steelhead season. Recent flows have stabilized around 14,000 cfs as of September 19, down 2,500 cfs from the prior week, which has improved fishing odds for early returning fish. Steelhead are moving through the system steadily in traveling patterns. Work inside corners, broad tailouts, current transitions, and softer lanes where fish hold between pushes downstream.

Gauges

Recommended flies

lighter tips and linesSkagit setups for deeper water