Teton River

Last Updated: May 3, 2026

Total streamflow across the Teton River was last observed at 861 cfs, and is expected to yield approximately 1,708 acre-ft of water today; about 68% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 1,262 cfs, with recent peaks last observed on 2011-06-12 when daily discharge volume was observed at 12,480 cfs.

Maximum discharge along the river is currently at the Teton River Nr St Anthony Id reporting a streamflow rate of 653 cfs. However, the streamgauge with the highest stage along the river is the Teton River Bl South Fork Nr Choteau Mt with a gauge stage of 4.69 ft. This river is monitored from 5 different streamgauging stations along the Teton River, the highest being situated at an altitude of 5,963 ft, the Teton River Ab South Leigh Creek Nr Driggs Id.

The Teton River is a tributary of the Snake River located in eastern Idaho.


15-Day Long Term Forecast


River Details

Last Updated 2026-05-03
Discharge Volume 1,708 ACRE-FT
Streamflow 861.0 cfs
Past 24 Hours: +42.0 cfs (+5.13%)
Percent of Normal 68.23%
Maximum 12,480.0 cfs
2011-06-12
Seasonal Avg 1,262 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Teton River Ab South Leigh Creek Nr Driggs Id
USGS 13052200
208 cfs 1.41 ft -1.89
Teton River Nr St Anthony Id
USGS 13055000
653 cfs 2.56 ft 7.58
Teton River Bl South Fork Nr Choteau Mt
USGS 06102500
197 cfs 4.69 ft 11.3
Teton River Near Dutton Mt
USGS 06108000
83 cfs 2.28 ft -11.19
Teton River At Loma Mt
USGS 06108800
33 cfs 0.92 ft 3.73
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Teton River (pronounced "TEE-tuhn") is located in northwestern Montana, in the Western United States
The ~ 150 miles (240 km) long river is a tributary of the Marias River. Its watershed is within Teton County and Chouteau County, Montana.