BOISE RIVER

RIVER LEVELS
April 22, 2025


Total streamflow across the Boise River was last observed at 2,770 cfs, and is expected to yield approximately 5,494 acre-ft of water today; about 39% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 7,035 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 Twin Springs Id reporting a streamflow rate of 2,770 cfs. However, the streamgauge with the highest stage along the river is the Boise River Nr Parma Id with a gauge stage of 9.87 ft. 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.

Last Updated 2025-04-21
Discharge Volume 5,494 ACRE-FT
Streamflow 2,770.0 cfs
-50.0 cfs (-1.77%)
Percent of Normal 39.37%
Maximum 27,530.0 cfs
2017-06-05
Seasonal Avg 7,035 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Boise River Nr Twin Springs Id
USGS 13185000
2770 cfs 8.53 ft -1.77
Boise River At Glenwood Bridge Nr Boise Id
USGS 13206000
2000 cfs 6.09 ft 0
Boise River South Channel At Eagle Id
USGS 13206305
1260 cfs 4.49 ft -0.79
Boise River At Caldwell
USGS 13211205
1820 cfs 8.63 ft 1.11
Boise River Nr Parma Id
USGS 13213000
2030 cfs 9.87 ft 4.1
Seasonal Discharge Comparison
Maximum Streamflow Discharge

Weather Forecast

Streamflow Elevation Profile

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.