Big Wood River at Hailey (total flow), ID

Southwest & South-Central Idaho · USGS gauge 13139510 · Updated Oct 24, 2:37 PM PDT · USGS data, provisional

Fishable/Floatable214 cfs▼ falling (-17% in 24 h)

Reading time: Oct 24, 1:45 PM PDT · Provisional data

Flow is in a typical range for the date. Rivers are generally easiest to fish and float when they are near their normal flow, but this status says nothing about water clarity, hatches, hazards such as wood in the river, or dam releases.

Vs. normal for this date
59th percentile
Typical range (25th–75th)
156–246 cfs
Median for this date
198 cfs
7-day low / high
140 / 264 cfs

Plain-language explanation

Big Wood River at Hailey (total flow) is flowing at 214 cubic feet per second (cfs) as of Oct 24, 1:45 PM PDT. That is in the normal range for this time of year: higher than about 59% of the daily flows this gauge has recorded for this date (give or take 7 days) over 112 years of record (1915–2026).

The middle half of those historical flows runs from 156 to 246 cfs, with a median of 198 cfs; the lowest 10% of days are at or below 127 cfs and the highest 10% at or above 281 cfs.

Over the last 24 hours the flow has been falling (-17.4%). In the last 7 days it ranged from 140 to 264 cfs.

Why this status: Flow is within the range this gauge normally sees at this time of year (or the deviation is too small in absolute terms to matter).

Quick answers

Is the Big Wood River at Hailey (total flow) fishable today?

Flowcast's status for the Big Wood River at Hailey (total flow) is “Fishable/Floatable”: flow is 214 cfs, within the range this gauge normally sees at this time of year, at the 59th percentile for this date (as of Oct 24, 1:45 PM PDT). That describes flow only. It says nothing about water clarity, temperature, fish activity, access or fishing regulations.

What is the current flow of the Big Wood River at Hailey (total flow)?

214 cubic feet per second at USGS gauge 13139510 as of Oct 24, 1:45 PM PDT, provisional data.

Is the Big Wood River at Hailey (total flow) too high or too low right now?

Neither: it is inside the typical range for the date (156 to 246 cfs).

Is the Big Wood River at Hailey (total flow) rising or falling?

Over the last 24 hours the flow has been falling (-17.4%).

What is a normal flow for the Big Wood River at Hailey (total flow) in October?

For this date (give or take 7 days) the median is 198 cfs and the middle half of days runs 156 to 246 cfs, over 112 years of USGS record.

7-day trend

typical range for this date (25th-75th pct)121162202242283Sun 10/18Mon 10/19Tue 10/20Wed 10/21Thu 10/22Fri 10/23Sat 10/24

Hourly flow in cfs, Pacific time. The shaded band is the typical range (25th–75th percentile) for this date, shown when it falls within the chart.

Day (Pacific)Mean cfsPercentileStatus that day
Sun Oct 1814321stFishable/Floatable
Mon Oct 1914320thFishable/Floatable
Tue Oct 2014219thFishable/Floatable
Wed Oct 2114319thFishable/Floatable
Thu Oct 2214721stFishable/Floatable
Fri Oct 2323368thFishable/Floatable
Sat Oct 24 (so far)22465thFishable/Floatable

Seasonal context

1002005001,0002,0005,00010,000JanFebMarAprMayJunJulAugSepOctNovDec

Shaded band: 10th–90th percentile of daily flows through the year; dashed line: median. Log scale. Dot: today's flow. Based on 112 years of USGS daily data (1915–2026).

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Official resources

Links go to the agencies' own websites and were checked as working. Flowcast does not summarize fishing or boating rules: regulations and closures change, and the agency pages are the authority.

About this gauge

USGS site
USGS-13139510
USGS name
Big Wood River At Hailey Id Total Flow
Drainage area
614 sq mi
Location
43.5172, -114.3217
Record in this analysis
1915–2026
Data from the U.S. Geological Survey (USGS). Readings are provisional and subject to revision. Flowcast statuses are automated comparisons with each gauge's own history, not safety ratings or fishing reports. Check local conditions, weather, regulations and closures before you go. Rivers can change quickly.

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