Henrys Fork of the Snake River

July 31, 2026

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

Henrys Fork of the Snake River

Current conditions for Henrys Fork of the Snake River · Map, access and gauges

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Flow

1,480 cfs ↓

Trend

Falling

Observed

79d ago

Conditions

Flows are running stable in the 1,300 cfs range as of August 26, with readings between 943 cfs at Box Canyon and 1,570 cfs at Ashton across the reach. Clear skies and mild air temperatures favor standard summer tactics, though afternoon thunderstorms on the upper forks can spike turbidity quickly. Watch the forecast and adjust accordingly if storms move through.

Gauges

Safety

Afternoon thunderstorms on the upper forks can cause rapid turbidity spikes; monitor weather and be prepared to move or change tactics if storms approach.