Upper Snake / Eastern Idaho
South Fork Snake River
Mutant stones are emerging on the South Fork with flows holding steady around 5,950 cfs. Early and late windows offer the best action for stone patterns.
Current conditions, flows, and hatch notes for Idaho rivers: updated as new reports are published.
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Showing 61–80 of 85 reports
Upper Snake / Eastern Idaho
Mutant stones are emerging on the South Fork with flows holding steady around 5,950 cfs. Early and late windows offer the best action for stone patterns.
Upper Snake / Eastern Idaho
The Teton is running low with clear skies and warm temperatures; target deeper pockets and shaded areas during peak heat.
Upper Snake / Eastern Idaho
The Henrys Fork is productive but winding down, with flows now manageable for wading. Caddis, PMD, and terrestrials dominate; seek cleaner water in select areas.
Upper Snake / Eastern Idaho
A strong emergence window featuring Pale Morning duns, Western Green drakes, Salmon flies, and Spotted Sedge caddis. Low flows concentrate fish in slower water.
Upper Snake / Eastern Idaho
Strong Golden Stone action and stable flows make the Henrys Fork a solid choice right now, with boats reporting consistent daily results.
Upper Snake / Eastern Idaho
Mackay Reservoir was holding at 60 feet with steady 400s cfs releases and predictable weekly drawdown. Fish nymphs, dryflies, and streamers depending on conditions.
Upper Snake / Eastern Idaho
Excellent clarity and dropping flows have primed the South Fork for major mayfly and stonefly hatches expected within days. Fish are actively feeding on nymphs now.