The Big Wood through the Wood River Valley offers accessible pieces of moving water around Hailey and Ketchum. The Hailey gauge is a reference; tributaries, diversions and local access change the river from place to place.
Reach focus
Hailey and Ketchum mainstem
Forecast area
Hailey, ID
Conditions at a glance
Mountain time
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Check the river before setting out.
Snowmelt, irrigation and summer warming affect the valley's water. Compare the gauge with the section you intend to fish.
Shorter days and changing weather can shift feeding windows. Avoid spawning beds and match the legal season to the exact river section. Snowmelt, irrigation and summer warming affect the valley's water. Compare the gauge with the section you intend to fish.
Match what you observe.
Midges, mayflies, caddis and stoneflies offer seasonal clues. A short, well-controlled drift is a useful starting point.
Plan your visit
Hailey, ID
Hailey and Ketchum mainstem
On foot
Use designated public access and trails, respecting private banks. Choose a reachable lane rather than assuming a crossing will be easy.
By boat
This page emphasizes fishing access on foot. Check current flow and official access before treating any section as a float route.
Big Wood River at Hailey · 13139510. Flow is requested hourly from USGS. Historical temperature record listed; do not treat it as live water temperature
NWS forecast point: Hailey, ID (43.519,-114.315). Source jobs are staggered hourly; low traffic can delay WordPress scheduling. Observation times are shown. Old readings are labeled or hidden by age. Air temperature is never substituted for water temperature.
Seasonal text is editorial guidance. It is not an automated live hatch report. Rules and access notices are not automatically checked. One gauge cannot describe every place on the river.
Submissions stay private for review. An optional atlas-request email is for that river’s announcement only. Newsletter signup is separate. Privacy policy.