Boise River at Glenwood Bridge, near Boise, ID

Southwest & South-Central Idaho · USGS gauge 13206000 · Updated Oct 24, 2:37 PM PDT · USGS data, provisional

All 2 Boise River gauges in Idaho

Fishable/Floatable225 cfs● steady (-4% 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
31st percentile
Typical range (25th–75th)
211–283 cfs
Median for this date
252 cfs
7-day low / high
174 / 309 cfs

Plain-language explanation

Boise River at Glenwood Bridge, near Boise is flowing at 225 cubic feet per second (cfs) as of Oct 24, 1:45 PM PDT. That is in the normal range for this time of year: lower than about 69% of the daily flows this gauge has recorded for this date (give or take 7 days) over 47 years of record (1938–2026).

The middle half of those historical flows runs from 211 to 283 cfs, with a median of 252 cfs; the lowest 10% of days are at or below 166 cfs and the highest 10% at or above 333 cfs.

Over the last 24 hours the flow has been steady (-4.3%). In the last 7 days it ranged from 174 to 309 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 Boise River at Glenwood Bridge, near Boise fishable today?

Flowcast's status for the Boise River at Glenwood Bridge, near Boise is “Fishable/Floatable”: flow is 225 cfs, within the range this gauge normally sees at this time of year, at the 31st 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 Boise River at Glenwood Bridge, near Boise?

225 cubic feet per second at USGS gauge 13206000 as of Oct 24, 1:45 PM PDT, provisional data.

Is the Boise River at Glenwood Bridge, near Boise too high or too low right now?

Neither: it is inside the typical range for the date (211 to 283 cfs).

Is the Boise River at Glenwood Bridge, near Boise rising or falling?

Over the last 24 hours the flow has been steady (-4.3%).

What is a normal flow for the Boise River at Glenwood Bridge, near Boise in October?

For this date (give or take 7 days) the median is 252 cfs and the middle half of days runs 211 to 283 cfs, over 47 years of USGS record.

7-day trend

typical range for this date (25th-75th pct)157194230266303Sun 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 1822425thFishable/Floatable
Mon Oct 1921622ndFishable/Floatable
Tue Oct 2021424thFishable/Floatable
Wed Oct 2122328thFishable/Floatable
Thu Oct 2222830thFishable/Floatable
Fri Oct 2323937thFishable/Floatable
Sat Oct 24 (so far)22531stFishable/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 47 years of USGS daily data (1938–2026).

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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-13206000
USGS name
Boise River At Glenwood Bridge Nr Boise Id
Drainage area
2,773 sq mi
Location
43.6606, -116.2792
Record in this analysis
1938–2026
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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