Upper Snake / Eastern Idaho
South Fork Snake River
Flows are dropping into comfortable mid-October levels with clear water and pleasant weather. Midday hatches of Mahogany Duns and Blue Winged Olives should draw trout between 10 a.m. and 2 p.m.
Current conditions, flows, and hatch notes for Idaho rivers: updated as new reports are published.
Updated
Showing 1–20 of 84 reports
Upper Snake / Eastern Idaho
Low flows at 159 cfs have stabilized on the Henrys Fork with Blue Wing Olives hatching. Fish have concentrated in deeper channels as weed beds expose, making precise placement and attractor patterns more effective.
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Upper Snake / Eastern Idaho
Island Park Reservoir sits at 19% capacity with low outflows as winter approaches, making conditions worth monitoring for anyone planning to fish the area.
Upper Snake / Eastern Idaho
Cooler fall temperatures are improving the bite at Henrys Lake, but lower water levels complicate boat launches.
Upper Snake / Eastern Idaho
The South Fork is running very low as Palisades Reservoir sits at 11% capacity, but dry-droppers and nymphing remain effective on overcast fall days.
Upper Snake / Eastern Idaho
The Teton flows near normal with clear water and active fall hatches including caddis, olives, and stoneflies.