Sun Valley / Ketchum
Big Wood River
Live Conditions
Big Wood River — Near Ketchum
7-Day Flow
↑ Rising
24-Hr Pressure
24.59 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
71° / 42°
Tomorrow
☁️Overcast
67° / 45°
Wed
☁️Overcast
64° / 37°
Thu
☁️Overcast
68° / 47°
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 Wood River.
7.6
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Big Wood River conditions.
🪰 Hatch Calendar
Big Wood River · May · Late Spring
🟢 Active now at 57.2°F water
🟡 Approaching — within 5°F of trigger range
Select month
⚠ Runoff season — check live gauge before driving
RUNOFF SEASON — Big Wood runs hard with snowmelt, often unfishable for wading. Caddis (size 14-16) when flows allow. Plan for July onward.
🟢 Active · 🟡 Approaching · ⚪ Seasonal only
River Map
About Big Wood River
Freestone river flowing through Ketchum and Sun Valley with classic pocket water and accessible public stretches. Wild rainbows and browns plus the occasional brookie in tributary water.