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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 Idaho0
  • Panhandle0
  • Salmon Region11
  • South Central Idaho33
  • Southwest Idaho0
  • Upper Snake / Eastern Idaho11

Rivers & Lakes

  • All waters
  • Big Wood River11
  • Silver Creek11
  • South Fork Boise River11

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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 filterOutlookRemove Outlook filterClear all

Showing 1–20 of 33 reports

Filters:South Central IdahoRemove South Central Idaho filterOutlookRemove Outlook filterClear all

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 ↓

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

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 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 9, 2026

South Central Idaho

Big Wood River

Covers Sep 9–16

The Big Wood runs low and clear heading into mid-September, requiring stealth and first-cast accuracy. Cool mornings trigger Red Quill hatches alongside Baetis, Tricos, and small flies.

1.5 cfs ↓

September 2, 2026

South Central Idaho

Big Wood River

Covers Sep 2–9

The Big Wood enters early September running extremely low and clear, calling for stealth and precision as fish stack in specific lies.

1.7 cfs ↓

August 26, 2026

South Central Idaho

Big Wood River

Covers Aug 26–Sep 2

The Big Wood is low and clear through early September with multiple hatches in play and cooler temperatures arriving. Adapt your patterns as fall conditions develop.

1 cfs ↓

August 19, 2026

South Central Idaho

Big Wood River

Covers Aug 19–26

The Big Wood is improving as cooler water moves in, though low flows demand a mobile approach and selective presentation to wary larger trout.

735 cfs ↑

Page 1 of 2

Next

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.

South Central Idaho

Silver Creek

Covers Sep 9–16

Silver Creek offers low, clear water and a tight late-morning dry fly window during Tricos and Baetis spinner falls, with Callibaetis activity building in the afternoon.

South Central Idaho

South Fork Boise River

Covers Sep 9–16

Wading conditions favor the South Fork through September, with good hatches of Flavs, Pink Alberts, and Baetis as temperatures stay prime.

South Central Idaho

Silver Creek

Covers Sep 2–9

Silver Creek is running stable flows and prime water temperatures through early September, with morning spinners and afternoon Callibaetis supported by strong terrestrial fishing in the wind.

86 cfs

South Central Idaho

South Fork Boise River

Covers Sep 2–9

The South Fork is floatable near 800 cfs but dropping fast; watch for Flavs, Baetis, and caddis throughout the week.

South Central Idaho

Silver Creek

Covers Aug 26–Sep 2

Cooler weather has improved Silver Creek after summer doldrums. Clear water and stable flows near 93 cfs should hold good hatches and terrestrial action through early September.

93 cfs

South Central Idaho

South Fork Boise River

Covers Aug 26–Sep 2

The South Fork is running cool and steady with prime conditions for wading as float season winds down. Expect Baetis, pinks, and terrestrials through early September as flows begin to taper.

South Central Idaho

Silver Creek

Covers Aug 19–26

Stable flows and prime temperatures set up classic Silver Creek fishing this week, with Tricos and Baetis leading the hatch, afternoon Callibaetis possible, and seasonal closures starting August 24.

95 cfs