Station Name: SNAKE RIVER AB JACKSON LAKE AT FLAGG RANCH WY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 6,818 feet

Nearest Address:
John D Rockefeller Jr Pkwy
Flagg Ranch, WY 83414
Teton County

GPS Coordinates: 44.09888889, -110.6675

Nearby Water Temperatures

Winter Weather Advisory issued February 8 at 1:14AM MST until February 9 at 5:00PM MST by NWS Riverton WY

Effective: Sun February 8, 2026, 1:14 AM
Expires: Sun February 8, 2026, 5:00 PM

* WHAT...Snow expected. Total snow accumulations of 6 to 12 inches, including over Togwotee and Teton Passes. Locally higher amounts up to 18 inches are possible across the highest terrain of the Tetons. Widespread wind gusts of 20 to 35 mph with the higher terrain of the Tetons seeing gusts up to 40 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 5 PM this afternoon to 5 PM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...The period of heaviest snowfall is forecast to occur between 11PM Sunday and 11AM Monday with snow rates of 0.5 inch per hour to 1 inch per hour possible.

Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .

Winter Weather Advisory issued February 8 at 1:14AM MST until February 9 at 5:00PM MST by NWS Riverton WY

Effective: Sun February 8, 2026, 1:14 AM
Expires: Sun February 8, 2026, 5:00 PM

* WHAT...Snow expected. Total snow accumulations of 7 to 12 inches across much of Yellowstone National Park, including the south and east park entrances. Isolated higher amounts up to 15 inches are possible over the highest terrain. Accumulations of 1 to 5 inches near Mammoth. Gusty 25 to 35 mph winds are expected. * WHERE...Yellowstone National Park. * WHEN...From 5 PM this afternoon to 5 PM MST Monday. * IMPACTS...Travel could be difficult. * ADDITIONAL DETAILS...The period of heaviest snowfall is forecast to occur between 11PM Sunday and 11AM Monday with snow rates up to 1 inch per hour possible.

Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .

Winter Weather Advisory issued February 8 at 3:11PM MST until February 9 at 5:00PM MST by NWS Riverton WY

Effective: Sun February 8, 2026, 3:11 PM
Expires: Mon February 9, 2026, 7:00 AM

* WHAT...Snow expected. Total snow accumulations of 6 to 12 inches, including over Togwotee and Teton Passes. Locally higher amounts up to 18 inches are possible across the highest terrain of the Tetons. Widespread wind gusts of 20 to 35 mph with the higher terrain of the Tetons seeing gusts up to 50 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...The period of heaviest snowfall is forecast to occur between 11 PM Sunday and 11 AM Monday with snow rates of 0.5 inch per hour to 1 inch per hour possible.

Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .

Winter Weather Advisory issued February 8 at 3:11PM MST until February 9 at 5:00PM MST by NWS Riverton WY

Effective: Sun February 8, 2026, 3:11 PM
Expires: Mon February 9, 2026, 7:00 AM

* WHAT...Snow expected. Total snow accumulations of 7 to 12 inches south and east of the Lower Loop of Yellowstone National Park. Isolated higher amounts up to 15 inches are possible over the highest terrain. Total accumulations of 3 to 6 inches along the Upper Loop and northern portions of the Lower Loop. Accumulations of 1 to 3 inches near Mammoth. Gusty 25 to 35 mph winds are expected. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be difficult. * ADDITIONAL DETAILS...The period of heaviest snowfall is forecast to occur between 11 PM Sunday and 11 AM Monday with snow rates up to 1 inch per hour possible.

Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .