South Fork Snake River

August 4, 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

5,110 cfs ↓

Trend

Falling

Observed

75d ago

Hatch Status

Caddis hatching

Conditions

Summer is firing on the South Fork, with Mutant Stones, PMDs, Yellow Sallies, and Caddis all active and diverse dry fly hatches expected through October. As of August 26, flows at Lorenzo sat at 5,950 cfs and looked stable. Pair dries like Gee's Supafly Stone or Pale Morning Dun Thorax with subsurface options, consider Pat's Rubberlegs, Tunghead Pheasant Tail, and Hickey's Tungsten Bead Auto Emerger when nymphs are the call. Best access runs from Palisades Dam through Heise; hit it early for calmer conditions.

Gauges

Techniques

  • Dry, Foam, Dry Dropper and Nymph Rigs effective
  • Gee's Supafly Stone Dry effective
  • Pale Morning Dun Thorax effective
  • Pat's Rubberlegs effective

Recommended flies

Gee's Supafly Stone DryPale Morning Dun ThoraxTH Duracell JigPino Wine PMDPat's RubberlegsQuill Body JigsTunghead Pheasant TailHickey's Tungsten Bead Auto EmergerKreelexDungeon!!!