South Fork Snake River

September 17, 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 · 2,160 cfs

Trend

Falling

Observed

31d ago

Conditions

Fall conditions are settling in across the South Fork with cooler temperatures and partly cloudy skies through the weekend. The upper river near Palisades shows slight turbidity from dam releases while the lower section runs clearer. Streamer fishing works well in the slightly green upper water, and Blue Winged Olive and Mahogany Dun hatches are active during the cooler, cloudier days. Consider rubberlegs, soft hackles, and hopper-dropper setups to round out your approach as the season transitions.

Gauges

Recommended flies

StreamersBlue Winged Olive imitationsMahogany Dun imitationsBWO nymphsMahogany nymphsRubberlegsSoft hacklesHopper-dropper