Total streamflow across the
Boise River
was last observed at
4,750
cfs, and is expected to yield approximately
9,422
acre-ft of water today; about 65%
of normal.
River levels are low and may signify a drought.
Average streamflow for this time of year is
7,267 cfs,
with recent peaks last observed
on
2017-06-05 when daily discharge volume was observed at
27,530 cfs.
Maximum discharge along the river is currently at the
Boise River Nr Parma Id
reporting a streamflow rate of 2,500 cfs.
This is also the highest stage along the Boise River, with a gauge stage of
10.32 ft at this location.
This river is monitored from 5 different streamgauging stations along the Boise River, the highest being situated at an altitude of 3,257 ft, the
Boise River Nr Twin Springs Id.
The Boise River is a 102-mile-long river in Idaho that flows through Boise and empties into the Snake River.
| Last Updated | 2026-04-20 |
| Discharge Volume | 9,422 ACRE-FT |
| Streamflow |
4,750.0 cfs
Past 24 Hours: -100.0 cfs (-2.06%) |
| Percent of Normal | 65.36% |
| Maximum |
27,530.0 cfs
2017-06-05 |
| Seasonal Avg | 7,267 cfs |
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Boise River Nr Twin Springs Id
USGS 13185000 |
2250 cfs | 8.08 ft | -3.43 | |||||
|
Boise River At Glenwood Bridge Nr Boise Id
USGS 13206000 |
1950 cfs | 6 ft | -0.51 | |||||
|
Boise River South Channel At Eagle Id
USGS 13206305 |
1230 cfs | 4.42 ft | -5.38 | |||||
|
Boise River At Caldwell
USGS 13211205 |
2090 cfs | 8.89 ft | 0.48 | |||||
|
Boise River Nr Parma Id
USGS 13213000 |
2500 cfs | 10.32 ft | -0.79 |
The Boise River is a 102-mile-long (164 km) tributary of the Snake River in the northwestern United States. It drains a rugged portion of the Sawtooth Range in southwestern Idaho northeast of Boise, as well as part of the western Snake River Plain. The watershed encompasses approximately 4,100 square miles (11,000 km2) of highly diverse habitats, including alpine canyons, forest, rangeland, agricultural lands, and urban areas.