Redwater River River Levels

Last Updated: March 24, 2026

The Redwater River is a 135-mile-long tributary of the Missouri River in eastern Montana.


Summary

Total streamflow across the Redwater River was last observed at 139 cfs, and is expected to yield approximately 276 acre-ft of water today; about 18% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 756 cfs, with recent peaks last observed on 2019-03-23 when daily discharge volume was observed at 5,726 cfs.

Maximum discharge along the river is currently at the Redwater River Above Belle Fourche Sd reporting a streamflow rate of 139 cfs. However, the streamgauge with the highest stage along the river is the Redwater River At Circle Mt with a gauge stage of 3.76 ft. This river is monitored from 2 different streamgauging stations along the Redwater River, the highest being situated at an altitude of 3,018 ft, the Redwater River Above Belle Fourche Sd.




15-Day Weather Outlook


River Details

Last Updated 2026-03-23
Discharge Volume 276 ACRE-FT
Streamflow 139.0 cfs
+3.0 cfs (+2.21%)
Percent of Normal 18.39%
Maximum 5,726.0 cfs
2019-03-23
Seasonal Avg 756 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Redwater River Above Belle Fourche Sd
USGS 06433000
139 cfs 3.17 ft 2.21
Redwater River At Circle Mt
USGS 06177500
2 cfs 3.76 ft -6.51
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Redwater River is a tributary of the Missouri River, approximately 110 mi (177 km), in eastern Montana in the United States.
It rises in on the northern slope of the Big Sheep Mountains, in northwestern Prairie County, and flows northeast across the plains past Brockway and Circle and joins the Missouri in northeastern McCone County, approximately 4 mi (6 km) south of Poplar.