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Idaho Rivers › Eastern Idaho
Premier Idaho trout water with diverse seasonal hatches.
Lower Boise from Snake River confluence near Parma upstream to Middleton. Trout dominate upstream of Middleton; smallmouth bass and channel catfish increase downstream toward the mouth.
Best Season
May – October
River Type
Freestone
Skill Level
Beginner – Intermediate
Best Techniques
Dry Flies, Nymphing
Access
Moderate
Primary stations
Related stations
Explore fish species associated with the Boise River, Mouth to Middleton. Each profile includes identification tips, habitat notes, and practical fishing guidance for Idaho anglers.
Review seasonal insect hatches on the Boise River, Mouth to Middleton, including timing windows and fly pattern suggestions for Idaho fly fishing.
Check current seasons, limits, and special rules for Boise River, Mouth to Middleton before you go. Regulations change — always verify with IDFG.
The latest fishing conditions and hatch notes for Boise River, Mouth to Middleton. Older reports live in the Boise River, Mouth to Middleton report archive.
These YouTube videos have been hand-curated by our team because we feel they best represent the Boise River, Mouth to Middleton fishery. Watch for river character, access context, and techniques that translate to your next Idaho trip.
Map data © Mapbox © OpenStreetMap
The Boise River, Mouth to Middleton supports 5 fish species in our Idaho fishing catalog. Browse each profile for identification tips, seasonal patterns, and how these species are managed on this water.
South Fork Boise River
Boise River, Barber Dam to Lucky Peak
Boise River, Eagle Road to Strawberry Glen
Boise River, Middleton to Eagle Road
Boise River, Strawberry Glen to Barber Dam
Middle Fork Boise River
North Fork Boise River
Fishing guides, outfitters, shuttles, and shops that operate on the Boise River, Mouth to Middleton.
No verified providers for this river yet. Browse the full directory.
Today's day score from live flow, weather, and water temperature where gauges allow — not a guarantee, a planning signal.
These YouTube videos have been hand-curated by our team because we feel they best represent the Boise River, Mouth to Middleton fishery. Watch for river character, access context, and techniques that translate to your next Idaho trip.
Review seasonal insect hatches on the Boise River, Mouth to Middleton, including timing windows and fly pattern suggestions for Idaho fly fishing.
We don't have a hatch chart for this water yet. These are the hatches common on Idaho trout water this season, not a record of this river.
Today's day score from live flow, weather, and water temperature where gauges allow — not a guarantee, a planning signal.
Track record builds after 30 graded days.
Bite forecast · Boise River, Mouth to Middleton
2026-09-03 · Full confidence
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Prime 6 AM – 1 PM (peak 7.8)
Secondary 6 PM – 10 PM
Peak at 8:00 (score 7.8). Helping: flow, light, cloud. Hurting: trend.
Since 2026-08-31
Flow trend
up 21% over 7 days
Hatch forecast
Degree-day model · seed thresholds until claim updates
Uncalibrated seed
Uncalibrated seed
Uncalibrated seed
Flow
0cfs
up 21% over 7 days
Water temp
64 → 66 °F
17.9 → 19.1 °C · Measured USGS
Weather
57 → 66 °F
Low 6 AM · high 3 PM
Overcast · PoP 45%
Wind 2–12 mph · gusts 17
↓ Falling · 930 hPa
Other sources
Live gauges and weather inputs behind this forecast.