Wisdom / Melrose
Big Hole River
Live Conditions
Big Hole River — Near Melrose
7-Day Flow
↓ Falling
24-Hr Pressure
24.05 inHg · → High/stable
Voluntary Catch-and-Release Advisory
Water temperature is at or above 68°F. At these temperatures trout are physiologically stressed and have a higher post-release mortality rate. Consider waiting for cooler conditions — early morning or evening — or choosing a tailwater with regulated temperatures.
Local Weather
Tough conditions — fish deep
Today
☀️Clear sky
70° / 36°
Tomorrow
☁️Overcast
77° / 39°
Sat
🌦️Drizzle
68° / 49°
Sun
☁️Overcast
70° / 40°
Cold front incoming — go deep with nymphs, surface activity likely slow.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
One call. Specific to today's exact conditions on the Big Hole River.
2
Time of Day
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Big Hole River conditions.
🪰 Hatch Calendar
Big Hole River · June · Early Summer
🟡 Approaching — within 5°F of trigger range
Select month
SALMONFLIES (size 4-6) at peak — the Big Hole salmonfly hatch is one of the West's great spectacles. Golden Stones (size 6-8) late month. Caddis (size 14-16) heavy. Last good Arctic Grayling window before summer warmth.
🟢 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.