KOOTENAI RIVER

Last Updated: March 24, 2026

Get the latest River Levels, Streamflow, and Hydrology for in River flows across 5 streamgages of the Kootenai River


Summary

Total streamflow across the Kootenai River was last observed at 106,200 cfs, and is expected to yield approximately 210,645 acre-ft of water today; about 229% of normal. River levels are high. Average streamflow for this time of year is 46,323 cfs, with recent peaks last observed on 2025-12-18 when daily discharge volume was observed at 128,600 cfs.

Maximum discharge along the river is currently at the Kootenai River Bel Moyie River Nr Bonners Ferry Id reporting a streamflow rate of 29,600 cfs. This is also the highest stage along the Kootenai River, with a gauge stage of 77.01 ft at this location. This river is monitored from 5 different streamgauging stations along the Kootenai River, the highest being situated at an altitude of 2,121 ft, the Kootenai River Bl Libby Dam Nr Libby Mt.




15-Day Weather Outlook


River Details

Last Updated 2026-03-24
Discharge Volume 210,645 ACRE-FT
Streamflow 106,200.0 cfs
+3400.0 cfs (+3.31%)
Percent of Normal 229.26%
Maximum 128,600.0 cfs
2025-12-18
Seasonal Avg cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Kootenai River Bl Libby Dam Nr Libby Mt
USGS 12301933
19900 cfs 22.67 ft 22.09
Kootenai River At Leonia Id
USGS 12305000
28500 cfs 18.92 ft 6.74
Kootenai River Bel Moyie River Nr Bonners Ferry Id
USGS 12308000
29600 cfs 77.01 ft 3.5
Kootenai River @ Tribal Hatchery Nr Bonners Ferry
USGS 12310100
15700 cfs 52.13 ft -0.63
Kootenai River At Porthill Id
USGS 12322000
28200 cfs 45.9 ft -9.62
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

Historically, the river was used by indigenous tribes for fishing, trading, and transportation. Today, the Kootenai River is an important source of hydroelectric power with several dams and reservoirs along its course, including the Libby Dam, which creates the 90-mile-long Lake Koocanusa. The river and its tributaries are also used for irrigation, supporting agriculture in the region. Recreational activities such as fishing, boating, and camping are popular along the river, particularly in the Kootenai National Wildlife Refuge. The Kootenai River is also known for its scenic beauty, with steep canyons, waterfalls, and abundant wildlife.