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

Elevation Above Sea Level: 4,738 feet

Nearest Address:
Bear Trap Trail Nrt
Norris, MT 59745
Madison County

GPS Coordinates: 45.49023056, -111.6345056

Nearby Water Temperatures

Winter Weather Advisory issued December 25 at 1:18PM MST until December 26 at 6:00PM MST by NWS Great Falls MT

Effective: Thu December 25, 2025, 1:18 PM
Expires: Fri December 26, 2025, 6:00 AM

* WHAT...Snow expected. Total snow accumulations up to 6 inches near pass level. Winds gusting as high as 55 mph. * WHERE...Southern end of the Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 2 AM to 6 PM MST Friday. * IMPACTS...Plan on slippery road conditions. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Little to no snow is forecast around Big Sky and points northward over this timeframe.

Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website.

High Wind Warning issued December 25 at 1:10PM MST until December 26 at 6:00PM MST by NWS Great Falls MT

Effective: Thu December 25, 2025, 1:10 PM
Expires: Fri December 26, 2025, 6:00 AM

* WHAT...South to southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Madison River Valley. * WHEN...From 10 AM to 6 PM MST Friday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.

Remember, a High Wind Warning means that there is at least an 80% chance of 40 mph sustained winds or 58 mph wind gusts occurring during the warning period.

Winter Weather Advisory issued December 26 at 1:15AM MST until December 26 at 6:00PM MST by NWS Great Falls MT

Effective: Fri December 26, 2025, 1:15 AM
Expires: Fri December 26, 2025, 5:00 PM

* WHAT...For the first Winter Weather Advisory, snow expected. Total snow accumulations up to 6 inches. Winds gusting as high as 55 mph. For the second Winter Weather Advisory, snow expected. Total snow accumulations between 1 and 3 inches. Winds gusting as high as 45 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...For the first Winter Weather Advisory, until 6 PM MST this evening. For the second Winter Weather Advisory, from midnight tonight to 2 PM MST Saturday. * IMPACTS...Plan on slippery road conditions. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Little to no snow is forecast around Big Sky and points northward prior to the early morning hours on Saturday.

Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website.

Winter Weather Advisory issued December 26 at 1:15AM MST until December 27 at 2:00PM MST by NWS Great Falls MT

Effective: Fri December 26, 2025, 1:15 AM
Expires: Fri December 26, 2025, 5:00 PM

* WHAT...For the first Winter Weather Advisory, snow expected. Total snow accumulations up to 6 inches. Winds gusting as high as 55 mph. For the second Winter Weather Advisory, snow expected. Total snow accumulations between 1 and 3 inches. Winds gusting as high as 45 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...For the first Winter Weather Advisory, until 6 PM MST this evening. For the second Winter Weather Advisory, from midnight tonight to 2 PM MST Saturday. * IMPACTS...Plan on slippery road conditions. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Little to no snow is forecast around Big Sky and points northward prior to the early morning hours on Saturday.

Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website.

High Wind Warning issued December 26 at 12:11AM MST until December 26 at 6:00PM MST by NWS Great Falls MT

Effective: Fri December 26, 2025, 12:11 AM
Expires: Fri December 26, 2025, 6:00 PM

* WHAT...South to southwest winds 30 to 40 mph, with gusts up to 65 mph expected. * WHERE...Madison River Valley. * WHEN...From 8 AM to 6 PM MST Friday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The most intense period of wind is expected to occur from 10 AM to 3 PM MST.

Monitor the latest forecasts and warnings for updates.

Winter Weather Advisory issued December 25 at 12:21PM MST until December 26 at 11:00PM MST by NWS Riverton WY

Effective: Thu December 25, 2025, 12:21 PM
Expires: Fri December 26, 2025, 7:00 AM

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches across the lower elevations, and totals 6 to 10 inches across the higher elevations. Winds gusting as high as 45 mph. * WHERE...Yellowstone National Park. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Travel will be difficult in the backcountry. * ADDITIONAL DETAILS...Locally higher amounts 12 to 20 inches over the Madison and Pitchstone Plateaus of southwest Yellowstone. Snow totals of half an inch to 3 inches around Mammoth.

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 December 26 at 3:26AM MST until December 26 at 11:00PM MST by NWS Riverton WY

Effective: Fri December 26, 2025, 3:26 AM
Expires: Fri December 26, 2025, 5:00 PM

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches across the lower elevations, and totals 6 to 10 inches across the higher elevations. Winds gusting as high as 45 mph. * WHERE...Yellowstone National Park. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel will be difficult in the backcountry. * ADDITIONAL DETAILS...Locally higher amounts 12 to 20 inches over the Madison and Pitchstone Plateaus of southwest Yellowstone. Snow totals of half an inch to 3 inches around Mammoth.

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 .