Winter Weather Advisory
2026-03-07T00:00:00-07:00

* WHAT...Snow and blowing snow expected. Total snow accumulations between 5 and 8 inches, with the heaviest snow south of Castle Rock. Winds gusting as high as 35 mph. * WHERE...Castle Rock. * WHEN...From 6 AM this morning to midnight MST tonight. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Friday morning and evening commutes.


Teton River River Levels

Last Updated: March 6, 2026

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


Summary

Total streamflow across the Teton River was last observed at 759 cfs, and is expected to yield approximately 1,505 acre-ft of water today; about 124% of normal. River levels are high. Average streamflow for this time of year is 613 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 473 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 4.21 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.




15-Day Weather Outlook


River Details

Last Updated 2026-03-05
Discharge Volume 1,505 ACRE-FT
Streamflow 759.0 cfs
-48.0 cfs (-5.95%)
Percent of Normal 123.92%
Maximum 12,480.0 cfs
2011-06-12
Seasonal Avg 613 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
286 cfs 1.57 ft -7.74
Teton River Nr St Anthony Id
USGS 13055000
473 cfs 2.26 ft -4.83
Teton River Bl South Fork Nr Choteau Mt
USGS 06102500
44 cfs 4.21 ft 0
Teton River Near Dutton Mt
USGS 06108000
83 cfs 2.28 ft -11.19
Teton River At Loma Mt
USGS 06108800
70 cfs 1.12 ft -44.8
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.