Snake River

Snake River Fishing Report

September 19, 2026 — September 27, 2026

Ice-clear (8+ ft) at Moran; 6–8 ft through GTNP and canyon; clearest conditions of the year

Jackson Lake Dam's accelerated autumn drawdown drops Moose flows from 4,880 to 2,920 CFS—a 40% reduction that transforms the fishery.…

Snake River

September 12, 2026 — September 20, 2026

Ice-clear (6+ ft) below dam; 4–6 ft through GTNP and canyon; clearest conditions of the year

Autumn arrives decisively on the Snake River as Jackson Lake Dam continues its seasonal ramp-down, tapering flows from 4,880 to…

Snake River

September 6, 2026 — September 13, 2026

Ice-clear (6+ ft) below the dam; exceptional clarity (5–6 ft) at Moose; stable through the canyon

Early autumn transforms the Snake River fishery as controlled dam releases taper from 5,100 to 4,500 CFS at Moose, consolidating…

Snake River

August 22, 2026 — August 30, 2026

5,310 CFS Excellent clarity below the dam; clear at Moose (148% of mean); clear to good through the canyon

Late-August flows hold at 148% of historical mean with outstanding clarity and no thermal restrictions. Terrestrials dominate during warm, windy…

Fishing Reports