Little Bighorn River River Levels

Last Updated: February 11, 2026

The Little Bighorn River is a 138-mile-long tributary of the Bighorn River in Montana and Wyoming.


Summary

Total streamflow across the Little Bighorn River was last observed at 205 cfs, and is expected to yield approximately 407 acre-ft of water today; about 100% of normal. Average streamflow for this time of year is 205 cfs, with recent peaks last observed on 2019-12-01 when daily discharge volume was observed at 5,766 cfs.

Maximum discharge along the river is currently at the Little Bighorn River Near Hardin Mt reporting a streamflow rate of 139 cfs. This is also the highest stage along the Little Bighorn River, with a gauge stage of 2.86 ft at this location. This river is monitored from 2 different streamgauging stations along the Little Bighorn River, the highest being situated at an altitude of 4,332 ft, the Little Bighorn River At State Line Nr Wyola Mt.




15-Day Weather Outlook


River Details

Last Updated 2026-02-11
Discharge Volume 407 ACRE-FT
Streamflow 205.3 cfs
None cfs (None%)
Percent of Normal 100.0%
Maximum 5,765.5 cfs
2019-12-01
Seasonal Avg 205 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Little Bighorn River At State Line Nr Wyola Mt
USGS 06289000
66 cfs 1.99 ft 0
Little Bighorn River Near Hardin Mt
USGS 06294000
139 cfs 2.86 ft -37.39
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Little Bighorn River is a 138-mile-long (222 km) tributary of the Bighorn River in the United States in the states of Montana and Wyoming. The Battle of the Little Bighorn, also known as the Battle of the Greasy Grass, was fought on its banks on June 25–26, 1876, as well as the Battle of Crow Agency in 1887.