Little Salmon River

Last Updated: April 20, 2026

Total streamflow across the Little Salmon River was last observed at 1,190 cfs, and is expected to yield approximately 2,360 acre-ft of water today; about 100% of normal. Average streamflow for this time of year is 1,192 cfs, with recent peaks last observed on 2012-04-27 when daily discharge volume was observed at 6,870 cfs.

Maximum discharge along the river is currently at the Little Salmon River At Riggins Id reporting a streamflow rate of 1,190 cfs. This is also the highest stage along the Little Salmon River, with a gauge stage of 4.59 ft at this location. This river is monitored from 2 different streamgauging stations along the Little Salmon River, the highest being situated at an altitude of 1,779 ft, the Little Salmon River At Riggins Id.

The Little Salmon River is a tributary of the Salmon River, which is located in Idaho, USA.


15-Day Long Term Forecast


River Details

Last Updated 2026-04-20
Discharge Volume 2,360 ACRE-FT
Streamflow 1,190.0 cfs
Past 24 Hours: -30.0 cfs (-2.46%)
Percent of Normal 99.84%
Maximum 6,870.0 cfs
2012-04-27
Seasonal Avg 1,192 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Little Salmon River At Riggins Id
USGS 13316500
1190 cfs 4.59 ft -2.46
Little Salmon River At Bombay Ny
USGS 04270200
301 cfs 4.16 ft 14.89
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Little Salmon River is a tributary of the Salmon River in the U.S. state of Idaho. The river is some 51 miles (82 km) long and drains 576 square miles (1,490 km2) of land.