Waters · United States
Blackfoot River (Bonner) fishing report
Updated Friday, 9 October 2026 · refreshed automatically through the day
A recovered river — decades of mine-waste cleanup and tributary restoration brought the Blackfoot back from near-collapse. Big attractor dries still work here in a way they no longer do on busier water.
Today's report: excellent (84/100)
Brown Trout is the most promising species on Blackfoot River (Bonner) today. Water temperature at the gauge is 8.3°C (47°F) and barometric pressure is falling. Gauge Blackfoot River near Bonner MT shows the water level steady (0 cm/24h).
Blackfoot River (Bonner) water temperature and flow
- Water temperature: 8.3°C (47°F)
- Discharge: 16.4 m³/s (579 cfs) — down 0% over 24 hours
- Level trend: steady
Measured at gauge Blackfoot River near Bonner MT · reading 57 min ago. Published by the national hydrological service, not estimated by us.
Best time to fish today
- 18:00–20:00 local time — score 90/100
- 21:00–23:00 local time — score 80/100
- 01:00–03:00 local time — score 89/100
3-day outlook by species
| Species | Friday 9 Oct | Saturday 10 Oct | Sunday 11 Oct |
|---|---|---|---|
| Rainbow Trout | 74 — good | 80 — good | 67 — good |
| Brown Trout | 84 — excellent | 90 — excellent | 79 — good |
| Brook trout | 78 — good | 82 — excellent | 79 — good |
Why this score
Cast & Scan uses a deterministic, published scoring model — no black box. The strongest influences on today's Blackfoot River (Bonner) rating:
- light: helping (+1)
- season: helping (+1)
- water temperature: helping (+0.91)
- wind: helping (+0.9)
- precipitation: helping (+0.9)
- solunar period: helping (+0.85)
Forecast computed Fri, 09 Oct 2026 15:26:46 GMT · data: Open-Meteo + gauge Blackfoot River near Bonner MT · refreshed automatically through the day · see our published accuracy
Wondering how this stacks up against the apps you already know? Cast & Scan vs Fishbrain vs BassForecast — an honest comparison, including where they beat us.
Read before you go
- Trout stream tactics, read through the forecast
- How river flow trend changes the bite
- Barometric pressure and fishing, explained
More rainbow trout waters
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Nearby waters
- Bitterroot River (Missoula) — Montana, USA (24 km away)
- Missouri River (Craig) — Montana, USA (133 km away)
- Big Hole River (Melrose) — Montana, USA (173 km away)
- Kootenai River (Libby Dam) — Montana, USA (204 km away)
- Gallatin River (Logan) — Montana, USA (210 km away)
- Madison River (Ennis) — Montana, USA (233 km away)