South Fork Snake River

August 18, 2026

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

South Fork Snake River

Current conditions for South Fork Snake River · Map, access and gauges

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Flow

6,870 cfs ↓

Trend

Falling

Observed

61d ago

Conditions

Summer hatches are firing across the South Fork, expect Mutant Stones, PMDs, Yellow Sallies, caddis, hoppers, and terrestrials throughout the day. At 66°F, water temps support active fish and a solid mix of dries and nymphs will work. As of August 26, flows were running 5,930 cfs at Lorenzo with stable conditions and overcast skies. Access remains plentiful from Palisades Dam downstream through Lorenzo.

Gauges

Recommended flies

Gee's Supafly Stone DryPale Morning Dun ThoraxTH Duracell JigPino Wine PMDTunghead Pheasant TailHickey's Tungsten Bead Auto EmergerPat's RubberlegsQuill Body JigsKreelexDungeon!!!

Access

Plentiful access from Palisades Dam downstream through Lorenzo.