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© 2026 Barbless.co. Flow and gauge data from USGS; weather from Open-Meteo. · v2026.10.18.2

  1. Reports
  2. Browse
Sep2026September 2026
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Region

  • All regions
  • North-Central Idaho0
  • Panhandle0
  • Salmon Region0
  • South Central Idaho6
  • Southwest Idaho0
  • Upper Snake / Eastern Idaho0

Rivers & Lakes

  • All waters
  • Big Lost River1
  • Big Wood River1
  • Boise River, Strawberry Glen to Barber Dam4
  • Clark Fork River11
  • Clearwater River19
  • Coeur d'Alene River16
  • Dworshak Reservoir1
  • Henrys Fork of the Snake River9
  • Henrys Fork of the Snake River, Box Canyon to Riverside13
  • Henrys Fork of the Snake River, Riverside to Mouth / terminus7

Report Type

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  • Conditions6
  • Outlook11

Browse Idaho Fishing Reports

Current conditions, flows, and hatch notes for Idaho rivers: updated as new reports are published.

Updated October 19, 2026

Filters:South Fork Boise RiverRemove South Fork Boise River filterConditionsRemove Conditions filterClear all

Showing 1–6 of 6 reports

Filters:South Fork Boise RiverRemove South Fork Boise River filterConditionsRemove Conditions filterClear all

September 1, 2026

South Central Idaho

South Fork Boise River

The South Fork opens for wading as flows drop into fall, with multiple hatches expected and water temps in the mid-50s.

August 14, 2026

South Central Idaho

South Fork Boise River

Crystal clear water and prime temperatures below Anderson Dam make sight fishing excellent. Expect afternoon Pinks and evening Caddis with buggy dries and droppers.

August 13, 2026

South Central Idaho

South Fork Boise River

South Fork Boise River is running clear and cold at 1200 cfs with afternoon pinks and evening caddis active, a prime window for dropper rigs and buggy dries.

July 8, 2026

South Central Idaho

South Fork Boise River

The South Fork is fishing variable, driven by dense hatches and selective feeding windows. Scale down fly sizes and try subsurface emergers when fish refuse the surface.

July 3, 2026

South Central Idaho

South Fork Boise River

The South Fork is fishing great with water temps in the prime feeding zone. Big, buggy dries and foam patterns paired with stonefly nymphs are your best bet.

May 19, 2026

South Central Idaho

South Fork Boise River

Cold early-season conditions with subsurface feeding dominant. Main hatches building. Nymphs and small stones productive.

500 cfs