Near Avery

St. Joe River Fishing Report

As of September 11, 2026, the St. Joe River is fishing Fair (7.1/10): flows are 382 cfs, Caddis activity, reported by 1 shop.

Last updated

Medium confidence1 source · freshest data Today

Reports indicate excellent conditions. flow at 386 cfs.

The score improved 0.2 points since the previous update.

Remote mountain river. Walk-and-wade ideal near 90 CFS. Aggressive dry fly cutthroat.

westslope cutthroat trout
7.1
Fair

Current St. Joe River fishing conditions

A quick view of the latest report, gauge, hatch, and fly data available for this water. Missing observations are left unreported rather than estimated.

Fishing outlook
Fair · 7.1/10
Current flow
382 cfs
Water temperature
Not reported
Water clarity
clear

Hatches & recommended flies

Current reports mention Caddis, Ants, Hoppers. Recommended flies include October Caddis, Mahogany Dun, hopper, ant.

Access, closures & regulations

Recent reports mention above Avery (busy); lower sections quieter, Lower sections quieter; above Avery busier, Lower sections below Avery quieter; above Avery busier.

Access and seasonal rules can change. Check current regulations and closures with Idaho Fish and Game

St. Joe River location

47.2744, -116.1889

Flow Data

Current Flow

382cfs

9/9/20269/11/2026
382 cfs457 cfs

Signal Breakdown

Overall Signal
7.1Fair
River Flow
4.2
Shop Reports
8.9
Report Agreement
8.2

Recommended Flies

October CaddisMahogany DunhopperantbeetleMahogany Dunshoppersants

What's Hatching

InsectStageTiming
Caddisadult
Antsadult
Hoppersadult
October Caddisadultevening
Mahogany Dunsdunafternoon
Pseudo Baetisdun
Mahogany Dundunafternoon
PMDdun
Ants/Beetlesadult
Termitesadult

Keep exploring

Current options in Idaho.

Recent Reports

Silver Bow

2026-09-11EXCELLENT

One of the best options in the region right now, with great fishing reported by a recent visitor. Small mayfly hatches in calm tailouts brought fish up in afternoons, and October Caddis in the evenings fired up larger fish.

October CaddisMahogany Dunsantsbeetleshopperstermite patterns
View original report ↗

Silver Bow

2026-09-10EXCELLENT

The St. Joe is one of the best options in the region right now, with great fishing reported. Small mayfly hatches in calm tailouts brought fish up in the afternoons, and October Caddis in the evenings fired up larger fish.

October CaddisMahogany Dunhopperantbeetle
View original report ↗

Silver Bow

2026-09-09EXCELLENT

One of the best options in the region right now, with great fishing reported by a recent visitor. Small mayfly hatches in calm tailouts brought fish up in the afternoons and October Caddis in the evenings fired up larger fish.

October CaddisMahogany Dunantbeetlehopper
View original report ↗
Show 7 older reports

Silver Bow

2026-09-08EXCELLENT

The St. Joe is one of the best options in the region right now, with great fishing reported. Small mayfly hatches in calm tailouts had fish rising in the afternoons and October Caddis in the evenings fired up larger fish.

October CaddisMahogany Dunhopperantbeetle
View original report ↗

Silver Bow

2026-09-07EXCELLENT

The St. Joe is one of the best options in the region with great fishing reported; small mayflies drew fish up in afternoons and October Caddis in evenings fired up larger fish. Lower sections were quieter than upper sections above Avery.

View original report ↗

Silver Bow

2026-09-06EXCELLENT

One of the best options in the region right now, with great fishing reported by a recent visitor. Small mayflies hatching in calm tailouts brought fish up in the afternoons, and October Caddis in the evenings fired up larger fish.

October CaddisMahogany DunPseudo Baetishopperantbeetle
View original report ↗

Silver Bow

2026-09-05EXCELLENT

One of the best options in the region right now, with great fishing reported by a recent visitor. Small mayflies in calm tailouts had fish rising in the afternoons, and October Caddis in the evenings fired up larger fish.

October CaddisMahogany Dunshoppersantsbeetles
View original report ↗

Silver Bow

2026-09-04EXCELLENT

The St. Joe is one of the best options in the region right now, with great fishing reported by a recent visitor. Small mayflies in calm tailouts brought fish up in afternoons, and October Caddis in the evenings fired up larger fish.

Mahogany DunOctober Caddishopperantbeetle
View original report ↗

Silver Bow

2026-09-03GOOD

Decent summer fishing action near Avery with water temps around 62°F in the morning. Small ant patterns were the top producers, with hoppers and droppers effective as the day warmed.

Small Chubby with dropperPurple Haze ParachuteHopper with dropperSize 20 AntMidgeGriffith's GnatParachute Caddis
View original report ↗

Silver Bow

2026-09-02GOOD

Decent summer action with water temps around 62°F in the morning near Avery. Small ant and termite patterns were the top producers, with hoppers and caddis also drawing strikes as the day warmed.

small chubbies with dropperspurple haze parachuteshopper with droppersmall ant patterns size 20midgesgriffiths gnatparachute caddis
View original report ↗
Reports sourced from