August 30, 2026
By Barbless, compiled each morning from the gauges, forecasts and sources on this page.
Current conditions for Henrys Fork of the Snake River, Box Canyon to Riverside · Map, access and gauges
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Cool water spilling from Island Park Reservoir keeps fish eager throughout the upper section. At 985 CFS, conditions are favorable for fast-sinking presentations. Mahogany duns are emerging in the evenings, and big rainbows are actively feeding as temperatures moderate into late August.
