Waters · United States
Madison River (Ennis) fishing report
Updated Tuesday, 25 August 2026 · refreshed automatically through the day
The fifty-mile riffle between Quake Lake and Ennis is the Madison at its most famous: near-continuous pocket water, with the salmonfly hatch working upstream through late June.
Today's report: fair (47/100)
Rainbow Trout is the most promising species on Madison River (Ennis) today. Water temperature at the gauge is 15.9°C (61°F) and barometric pressure is rising. Gauge Madison River at Ennis, MT shows the water level falling (0 cm/24h).
Madison River (Ennis) water temperature and flow
- Water temperature: 15.9°C (61°F)
- Discharge: 25.5 m³/s (901 cfs) — down 2% over 24 hours
- Level trend: falling (0 cm/24h)
Measured at gauge Madison River at Ennis, MT · reading 67 min ago. Published by the national hydrological service, not estimated by us.
Best time to fish today
- 07:00–09:00 local time — score 47/100
- 19:00–21:00 local time — score 40/100
- 01:00–03:00 local time — score 39/100
3-day outlook by species
| Species | Tuesday 25 Aug | Wednesday 26 Aug | Thursday 27 Aug |
|---|---|---|---|
| Rainbow Trout | 47 — fair | 40 — fair | 45 — fair |
| Brown Trout | 46 — fair | 38 — poor | 46 — fair |
Why this score
Cast & Scan uses a deterministic, published scoring model — no black box. The strongest influences on today's Madison River (Ennis) rating:
- water temperature: helping (+1)
- pressure trend: helping (+1)
- precipitation: helping (+0.9)
- light: helping (+0.85)
- river flow: helping (+0.85)
- cloud cover: helping (+0.65)
Forecast computed Tue, 25 Aug 2026 12:06:58 GMT · data: Open-Meteo + gauge Madison River at Ennis, MT · refreshed automatically through the day · see our published accuracy
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Nearby waters
- Gallatin River (Logan) — Montana, USA (64 km away)
- Big Hole River (Melrose) — Montana, USA (79 km away)
- Yellowstone River (Livingston) — Montana, USA (94 km away)
- Henry's Fork (Lower) — Idaho, USA (170 km away)