Waters · United States
Blue River (Silverthorne) fishing report
Updated Tuesday, 25 August 2026 · refreshed automatically through the day
A tailwater running straight through Silverthorne below Dillon Dam, where trout key on mysis shrimp flushed out of the reservoir. Small flies, clear water and traffic noise.
Today's report: fair (51/100)
Rainbow Trout is the most promising species on Blue River (Silverthorne) today. Water temperature at the gauge is 5.9°C (43°F) and barometric pressure is rising. Gauge BLUE RIVER BELOW DILLON, CO. shows the water level steady (0 cm/24h).
Blue River (Silverthorne) water temperature and flow
- Water temperature: 5.9°C (43°F)
- Discharge: 1.5 m³/s (53 cfs) — down 0% over 24 hours
- Level trend: steady
Measured at gauge BLUE RIVER BELOW DILLON, CO. · reading 68 min ago. Published by the national hydrological service, not estimated by us.
Best time to fish today
- 07:00–09:00 local time — score 50/100
- 11:00–13:00 local time — score 52/100
- 23:00–01:00 local time — score 47/100
3-day outlook by species
| Species | Tuesday 25 Aug | Wednesday 26 Aug | Thursday 27 Aug |
|---|---|---|---|
| Rainbow Trout | 51 — fair | 49 — fair | 51 — fair |
| Brown Trout | 46 — fair | 46 — fair | 50 — fair |
Why this score
Cast & Scan uses a deterministic, published scoring model — no black box. The strongest influences on today's Blue River (Silverthorne) rating:
- water temperature: helping (+1)
- pressure trend: helping (+1)
- cloud cover: helping (+0.95)
- precipitation: helping (+0.9)
- light: helping (+0.85)
- river flow: helping (+0.85)
Forecast computed Tue, 25 Aug 2026 12:22:30 GMT · data: Open-Meteo + gauge BLUE RIVER BELOW DILLON, CO. · refreshed automatically through the day · see our published accuracy
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Nearby waters
- Colorado River (Kremmling) — Colorado, USA (56 km away)
- Eagle River (Gypsum) — Colorado, USA (77 km away)
- Roaring Fork River (Glenwood Springs) — Colorado, USA (109 km away)
- Animas River (Durango) — Colorado, USA (305 km away)