Waters · United States
Kootenai River (Libby Dam) fishing report
Updated Tuesday, 25 August 2026 · refreshed automatically through the day
A huge, cold tailwater below Libby Dam where trout hold in water most anglers walk straight past. Release swings are large and fast — check the flow before you wade.
Today's report: fair (44/100)
Rainbow Trout is the most promising species on Kootenai River (Libby Dam) today. Water temperature is around 18.4°C and barometric pressure is stable. Gauge Kootenai River bl Libby Dam nr Libby MT shows the water level falling (0 cm/24h).
Kootenai River (Libby Dam) water temperature and flow
- Discharge: 257.7 m³/s (9,101 cfs) — down 0% over 24 hours
- Level trend: falling (0 cm/24h)
Measured at gauge Kootenai River bl Libby Dam nr Libby MT · reading 22 min ago. Published by the national hydrological service, not estimated by us.
Best time to fish today
- 07:00–09:00 local time — score 36/100
- 11:00–13:00 local time — score 39/100
- 20:00–22:00 local time — score 36/100
3-day outlook by species
| Species | Tuesday 25 Aug | Wednesday 26 Aug | Thursday 27 Aug |
|---|---|---|---|
| Rainbow Trout | 44 — fair | 38 — poor | 42 — fair |
| Brown Trout | 44 — fair | 35 — poor | 42 — fair |
Why this score
Cast & Scan uses a deterministic, published scoring model — no black box. The strongest influences on today's Kootenai River (Libby Dam) rating:
- precipitation: helping (+0.9)
- light: helping (+0.85)
- river flow: helping (+0.85)
- pressure trend: helping (+0.8)
- cloud cover: helping (+0.65)
- season: helping (+0.6)
Forecast computed Tue, 25 Aug 2026 12:22:14 GMT · data: Open-Meteo + gauge Kootenai River bl Libby Dam nr Libby MT · refreshed automatically through the day · see our published accuracy
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This page rates a representative point on Kootenai River (Libby Dam). Bays, river mouths and depth changes can fish very differently — open the scanner, drop a pin on your exact swim and get a spot-specific forecast with tactics. Free, in the browser, no signup.
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Nearby waters
- Bitterroot River (Missoula) — Montana, USA (199 km away)
- Blackfoot River (Bonner) — Montana, USA (204 km away)
- Missouri River (Craig) — Montana, USA (293 km away)
- Salmon River (White Bird) — Idaho, USA (304 km away)