Wisdom / Melrose
Big Hole River
Live Conditions
Big Hole River — Near Melrose
7-Day Flow
↓ Falling
24-Hr Pressure
23.96 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
🌫️Foggy
41° / 31°
Tomorrow
🌦️Drizzle
41° / 32°
0.02"
Mon
☁️Overcast
42° / 31°
Tue
☁️Overcast
46° / 26°
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
⚡ AIAI-powered recommendation using today's live flow, temperature, and hatch data.
2
Time of Day
Using: 199 CFS · 40.3°F · Midges. BWOs on mild afternoons. Sections beginning to ice. Brown trout spawn — RESPECT REDDS. Late-season fishing for the dedicated.
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Big Hole River conditions.
🪰 Hatch Calendar
Big Hole River · November · Late Fall
🟡 Approaching — within 5°F of trigger range
Select month
Midges. BWOs on mild afternoons. Sections beginning to ice. Brown trout spawn — RESPECT REDDS. Late-season fishing for the dedicated.
🟢 Active · 🟡 Approaching · ⚪ Seasonal only
River Map
About Big Hole River
Last river in the lower 48 holding native fluvial Arctic Grayling alongside browns, rainbows, and brookies. Wild high-meadow freestone with classic Salmonfly and Golden Stone hatches in early summer.
Regulations
Native Arctic Grayling — handle with extreme care and release immediately. Hoot-owl restrictions (afternoon closures) and full emergency closures are common when water temps exceed 73°F in summer; check FWP daily before fishing in July–August.
Learn More
Guides to help you fish Big Hole River with more confidence.
Montana Fishing Regulations for Fly Anglers
Montana's Conservation License prerequisite and AIS pass, the third-Saturday-in-May to November 30 general stream season, blue-ribbon special regs on…
Trout Species of Montana
Montana's six salmonids and how to tell a harvestable brown from a release-required cutthroat or a protected bull trout. Missouri and Yellowstone…
Seasonal Guide to Montana Fly Fishing
Montana rivers are a completely different game each season — Salmonfly in late May, PMD and caddis in July, technical Trico on the Missouri in…