Tongue River

Streamflow Hydrology Weather


Tongue River Levels

April 25 2024

791 ACRE-FT

Discharge Volume Today
+4.0 cfs (+1.01%) since yesterday
21.88% of normal Very Low

Total streamflow across the Tongue River was last observed at 399 cfs, and is expected to yield approximately 791 acre-ft of water today; about 22% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 1,824 cfs, with recent peaks last observed on 2019-05-31 when daily discharge volume was observed at 24,742 cfs.

Maximum discharge along the river is currently at the Tongue River At State Line Nr Decker Mt reporting a streamflow rate of 399 cfs. However, the streamgauge with the highest stage along the river is the Tongue River At Tongue R Dam Nr Decker Mt with a gauge stage of 10.72 ft. This river is monitored from 8 different streamgauging stations along the Tongue River, the highest being situated at an altitude of 4,072 ft, the Tongue River Near Dayton.

Last Updated 2024-04-24
Streamflow 399.0 cfs
Percent of Normal 21.88%
Maximum 24,742.0 cfs
2019-05-31

About the tongue river


The Tongue River is a 265-mile-long river that flows through Wyoming and Montana. It has played a significant role in Native American history and served as a transportation route for early settlers. The river's watershed encompasses over 10,000 square miles and is known for its diverse wildlife and scenic beauty. The Tongue River is fed by numerous tributaries, including Otter Creek and the Powder River. The river is home to various reservoirs, including the Tongue River Reservoir and the Keyhole Reservoir, which are used for recreation and irrigation. The Tongue River Basin is also an important agricultural region, producing crops like wheat, barley, and hay. The river has faced challenges in recent years due to water contamination and disputes over water use, but stakeholders continue to work towards finding sustainable solutions.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Tongue River Near Dayton
USGS 06298000
48 cfs 1.73 ft 0
Tongue River At Monarch
USGS 06299980
383 cfs 3.36 ft
Tongue River At State Line Nr Decker Mt
USGS 06306300
399 cfs 3.24 ft 1.01
Tongue River At Tongue R Dam Nr Decker Mt
USGS 06307500
174 cfs 10.72 ft 0
Tongue R At Birney Day School Br Nr Birney Mt
USGS 06307616
183 cfs 1.32 ft 21.19
Tongue R Bl Brandenberg Bridge Nr Ashland Mt
USGS 06307830
149 cfs 2.62 ft 13.74
Tongue River At Miles City Mt
USGS 06308500
120 cfs 1.78 ft -5.51
Tongue River At Akra
USGS 05101000
12 cfs 6.82 ft -21.85

Peak Annual Discharge

Tongue River Maximum Total Discharge

Seasonal Comparison

Tongue River Year Over Year Discharge


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