Waters ยท United States
Blackfoot River (Bonner) fishing report
Updated Tuesday, 25 August 2026 ยท refreshed automatically through the day
A recovered river โ 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: fair (46/100)
Rainbow Trout is the most promising species on Blackfoot River (Bonner) today. Water temperature at the gauge is 16.8ยฐC (62ยฐF) and barometric pressure is stable. Gauge Blackfoot River near Bonner MT shows the water level steady (0 cm/24h).
Blackfoot River (Bonner) water temperature and flow
- Water temperature: 16.8ยฐC (62ยฐF)
- Discharge: 18.2 mยณ/s (643 cfs) โ down 0% over 24 hours
- Level trend: steady
Measured at gauge Blackfoot River near Bonner MT ยท reading 33 min ago. Published by the national hydrological service, not estimated by us.
Best time to fish today
- 07:00โ09:00 local time โ score 44/100
- 11:00โ13:00 local time โ score 41/100
- 19:00โ21:00 local time โ score 40/100
3-day outlook by species
| Species | Tuesday 25 Aug | Wednesday 26 Aug | Thursday 27 Aug |
|---|---|---|---|
| Rainbow Trout | 46 โ fair | 40 โ fair | 43 โ fair |
| Brown Trout | 45 โ fair | 36 โ poor | 42 โ fair |
| Brook trout | 41 โ fair | 41 โ fair | 42 โ fair |
Why this score
Cast & Scan uses a deterministic, published scoring model โ no black box. The strongest influences on today's Blackfoot River (Bonner) rating:
- pressure trend: helping (+1)
- cloud cover: helping (+0.9)
- precipitation: helping (+0.9)
- light: helping (+0.85)
- river flow: helping (+0.85)
- water temperature: helping (+0.67)
Forecast computed Tue, 25 Aug 2026 11:02:32 GMT ยท data: Open-Meteo + gauge Blackfoot River near Bonner MT ยท refreshed automatically through the day ยท see our published accuracy
Scan your exact spot
This page rates a representative point on Blackfoot River (Bonner). Bays, river mouths and depth changes can fish very differently โ open the scanner, drop a pin on your exact swim and get a spot-specific forecast with tactics. Free, in the browser, no signup.
Wondering how this stacks up against the apps you already know? Cast & Scan vs Fishbrain vs BassForecast โ an honest comparison, including where they beat us.
Nearby waters
- Bitterroot River (Missoula) โ Montana, USA (24 km away)
- Missouri River (Craig) โ Montana, USA (133 km away)
- Big Hole River (Melrose) โ Montana, USA (173 km away)
- Kootenai River (Libby Dam) โ Montana, USA (204 km away)