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

  1. Reports
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Oct2026October 2026
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Outlook covers this day

Region

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  • North-Central Idaho85
  • Panhandle94
  • Salmon Region20
  • South Central Idaho67
  • Southwest Idaho9
  • Upper Snake / Eastern Idaho95

Rivers & Lakes

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  • Big Wood River12
  • Silver Creek38
  • South Fork Boise River17

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  • Conditions34
  • Outlook33

Browse Idaho Fishing Reports

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

Updated October 18, 2026

Filters:South Central IdahoRemove South Central Idaho filter

Showing 1–20 of 67 reports

Filters:South Central IdahoRemove South Central Idaho filter

October 16, 2026

South Central Idaho

Silver Creek

Silver Creek is fishing well with pleasant autumn weather and multiple hatches active. Water temperature is 49 degrees at 92 cfs flow.

92 cfs ↑

October 11, 2026

South Central Idaho

Silver Creek

Crystal-clear water and steady flows at 51°F favor heavy Baetis and midge hatches through the afternoon. Fish fine and light with small emerger patterns on 6X or 7X fluorocarbon.

78 cfs

October 9, 2026

South Central Idaho

Silver Creek

Silver Creek is fishing well through fall as cool nights prime the fish. Expect Trico, Baetis, Mahogany Duns, and October Caddis in the daytime hours.

75 cfs

October 3, 2026

South Central Idaho

Silver Creek

Prime fall conditions with clear water and selective trout. Peak dry-fly action compresses to a tight midday window under bright skies.

76 cfs

October 2, 2026

South Central Idaho

Silver Creek

Silver Creek remains productive with mixed fall hatches and stable flows. Baetis, mahogany duns, and October caddis are active during midday warmth while Tricos are sporadic.

78 cfs

September 30, 2026

South Central Idaho

Big Wood River

Covers Sep 30–Oct 7

Low, clear flows on the Big Wood through early October should produce good fishing as Baetis hatches and cooler water activate the trout. Fish shallow tailouts and riffles with a careful approach.

1.9 cfs ↓

September 25, 2026

South Central Idaho

Silver Creek

Silver Creek is productive in early fall with stable low flows and prime water temps. Expect Baetis, Mahogany Duns, October Caddis, and Trico, though Tricos have been spotty.

78 cfs

September 23, 2026

South Central Idaho

Big Wood River

Covers Sep 23–30

Hecubas and afternoon Baetis hatches should anchor the week ahead on the Big Wood, with stable flows and warming afternoons favoring Red Quills and terrestrial patterns.

2.4 cfs

September 20, 2026

South Central Idaho

Silver Creek

Silver Creek's clear spring creek water and selective trout demand drag-free drifts and fine tippets, with Blue-winged Olives and scuds working well when conditions favor precision over power.

71 cfs ↓

September 19, 2026

South Central Idaho

Silver Creek

Gin-clear water and low flows demand technical presentations and small flies. Blue-Winged Olives dominate mid-day, backed by midges, PMDs, and afternoon caddis.

71 cfs ↓

September 18, 2026

South Central Idaho

Silver Creek

Silver Creek is fishing well with active fall hatches and prime water temperatures. Flows are dropping but holding steady at 75 cfs.

75 cfs ↓

September 16, 2026

South Central Idaho

Big Wood River

Covers Sep 16–23

Red Quills and Fall Baetis are active on the Big Wood, with fish feeding in tailouts and riffles but spooky to approach. Stable, low flows favor careful sight-casting through mid-September.

1.7 cfs

September 12, 2026

South Central Idaho

Silver Creek

Gin-clear conditions and stable flows make Silver Creek prime early-morning water for small dries and nymphs before wind disrupts the flats.

88 cfs

September 11, 2026

South Central Idaho

Silver Creek

Silver Creek is fishing very well with stable flows and cool water favoring active fish and dry-fly presentations.

88 cfs

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South Central Idaho

Silver Creek

Covers Sep 30–Oct 7

Low, clear conditions and cool water temps make early October a prime window for Silver Creek, with pre-spawn browns on the feed and steady hatches of Baetis and Mahogany duns.

78 cfs

South Central Idaho

South Fork Boise River

Covers Sep 30–Oct 7

The South Fork holds steady flows and 51-degree water into early October, with daytime dry-fly action on Pinks and Baetis and an evening caddis hatch worth your time.

309 cfs

South Central Idaho

Silver Creek

Covers Sep 23–30

Silver Creek offers excellent fall dry fly fishing with stable flows and prime water temperatures, though Kilpatrick Bridge and Preserve access remain closed through early January.

75 cfs

South Central Idaho

South Fork Boise River

Covers Sep 23–30

The South Fork offers ideal wading conditions this week with stable 300 cfs flows and prime 53-degree water. Evening caddis, Flavs, and fall Baetis should keep you occupied through late September.

300 cfs

South Central Idaho

Silver Creek

Covers Sep 16–23

Silver Creek's cooling water and stable flows set up solid mid-day through afternoon hatches over the next week, with Callibaetis, terrestrials, and October Caddis in the mix.

76 cfs

South Central Idaho

South Fork Boise River

Covers Sep 16–23

Flows have stabilized around 300 cfs, making the South Fork a wade-friendly proposition with excellent Fall Baetis activity and cool water temps of 56°F.