South Fork Snake River

September 28, 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

Very low · 1,920 cfs

Trend

Falling

Observed

19d ago

Hatch Status

Be on the lookout for BWOs and Mahoganies.

Conditions

Palisades Reservoir is running at 11% capacity, and flows continue dropping steadily across the South Fork. As of September 29, the river was at 1,920 cfs at Lorenzo, making this a time to adapt your approach. Dry-droppers and nymphing are most productive, especially on overcast days when Mahoganies and Blue-Winged Olives are active alongside scattered Caddis and Terrestrials. With water levels falling, consider heavier line and bigger attractors fished near the edges where fish are relocating into newly accessible habitat.

Gauges

Techniques

  • Dry-droppers and nymphing have been the most productive.
  • Dry Droppers, streamers, and Nymph Rigs.
  • Mornings best time to fish.

Recommended flies

Improved Winged K.C.'s CreatureParachute Pheasant TailHiga's S.O.S.Schroeder's Parachute HopperTunghead Pheasant Tail JigTH Skinny Quill NymphPat's RubberlegsQuill Body JigsKreelexDungeon