Station Name: Madison River bl Hebgen Lake nr Grayling MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 6,503 feet

Nearest Address:
8998 Hebgen Lake Rd
Grayling, MT 59758
Gallatin County

GPS Coordinates: 44.86639167, -111.3387806

Nearby Water Temperatures

Winter Weather Advisory issued February 8 at 1:26PM MST until February 9 at 11:00AM MST by NWS Great Falls MT

Effective: Sun February 8, 2026, 1:26 PM
Expires: Mon February 9, 2026, 5:15 AM

* WHAT...Snow expected. Total snow accumulations 2 to 5 inches. Isolated snowfall accumulations near 8 inches at ridge tops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 5 PM this afternoon to 11 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.

Winter Weather Advisory issued February 8 at 8:25PM MST until February 9 at 11:00AM MST by NWS Great Falls MT

Effective: Sun February 8, 2026, 8:25 PM
Expires: Mon February 9, 2026, 11:00 AM

* WHAT...Snow expected. Total snow accumulations 2 to 5 inches. Isolated snowfall accumulations near 8 inches at ridge tops. Winds gusting to 35 mph over the passes. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 11 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period.

Winter Weather Advisory issued February 9 at 2:39AM MST until February 9 at 11:00AM MST by NWS Great Falls MT

Effective: Mon February 9, 2026, 2:39 AM
Expires: Mon February 9, 2026, 11:00 AM

* WHAT...Snow. Total snow accumulations of 1 to 4 inches at lower elevations, and 5 to 10 inches in the mountains. * WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains, Southern Rocky Mountain Front, Northwest Beaverhead County, and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 11 AM MST this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.

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 .

Winter Weather Advisory issued February 9 at 1:18AM MST until February 9 at 5:00PM MST by NWS Riverton WY

Effective: Mon February 9, 2026, 1:18 AM
Expires: Mon February 9, 2026, 5:00 PM

* WHAT...Snow expected. Total snow accumulations of 6 to 11 inches south and east of the Lower Loop of Yellowstone National Park. Isolated higher amounts up to 16 inches are possible over the highest terrain. Total accumulations of 3 to 7 inches along the Upper Loop and northern portions of the Lower Loop. Accumulations of 1 to 3 inches near Mammoth. Gusty 20 to 35 mph winds are expected. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be difficult. * ADDITIONAL DETAILS...The period of heaviest snowfall is forecast to occur through 11 AM Monday with snow rates up to 1 inch per hour possible, especially over higher terrain.

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 .