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 26 at 5:56PM MST until December 27 at 2:00PM MST by NWS Great Falls MT

Effective: Fri December 26, 2025, 5:56 PM
Expires: Sat December 27, 2025, 6:15 AM

* WHAT...Snow expected. New snow accumulations of 2 to 5 inches late tonight through early Saturday afternoon. Winds gusting as high as 45 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From midnight tonight to 2 PM MST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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.

Special Weather Statement issued December 27 at 3:56AM MST by NWS Great Falls MT

Effective: Sat December 27, 2025, 3:56 AM
Expires: Sat December 27, 2025, 6:00 AM

A Pacific cold front was moving east early this morning, with a band of moderate to at times heavy snow accompany the front. While snowfall accumulations are likely to remain below one inch through sunrise this morning a period of reduced visibility, with visibilities falling to as low as one mile, is likely to occur. In addition to the reduced visibility a period of strong and gusty winds of between 45 to 55 mph will occur. Travelers should be prepared for changing conditions and allow extra time to reach your destination.

Special Weather Statement issued December 27 at 3:53AM MST by NWS Great Falls MT

Effective: Sat December 27, 2025, 3:53 AM
Expires: Sat December 27, 2025, 6:00 AM

A Pacific cold front was moving east early this morning, with a band of moderate to at times heavy snow accompany the front. While snowfall accumulations are likely to remain below one inch through sunrise this morning a period of reduced visibility, with visibilities falling to as low as one mile, is likely to occur. In addition to the reduced visibility a period strong and gusty winds of between 45 to 55 mph will occur. Travelers should be prepared for changing conditions and allow extra time to reach your destination.

Winter Weather Advisory issued December 27 at 12:45AM MST until December 27 at 2:00PM MST by NWS Great Falls MT

Effective: Sat December 27, 2025, 12:45 AM
Expires: Sat December 27, 2025, 2:00 PM

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches. Winds gusting as high as 50 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains and Northwest Beaverhead County. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 December 27 at 10:31AM MST until December 27 at 2:00PM MST by NWS Great Falls MT

Effective: Sat December 27, 2025, 10:31 AM
Expires: Sat December 27, 2025, 2:00 PM

* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains and Northwest Beaverhead County. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 5:56PM MST until December 27 at 2:00PM MST by NWS Great Falls MT

Effective: Fri December 26, 2025, 5:56 PM
Expires: Sat December 27, 2025, 6:15 AM

* WHAT...Periods of snow expected. Total snow accumulations 1 to 3 inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Upper Blackfoot and MacDonald Pass. * WHEN...From midnight tonight to 2 PM MST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 December 27 at 12:45AM MST until December 27 at 2:00PM MST by NWS Great Falls MT

Effective: Sat December 27, 2025, 12:45 AM
Expires: Sat December 27, 2025, 2:00 PM

* WHAT...Snow. Additional snow accumulations up to 3 inches. Winds gusting as high as 45 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Upper Blackfoot and MacDonald Pass. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 December 27 at 3:39AM MST until December 27 at 5:00PM MST by NWS Riverton WY

Effective: Sat December 27, 2025, 3:39 AM
Expires: Sat December 27, 2025, 5:00 PM

* WHAT...Snow. Additional snow accumulations between 2 and 6 inches, with the highest amounts in southwestern Yellowstone park. Winds gusting as high as 40 mph. * WHERE...Yellowstone National Park. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel will be difficult in the backcountry.

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 27 at 10:31AM MST until December 27 at 2:00PM MST by NWS Great Falls MT

Effective: Sat December 27, 2025, 10:31 AM
Expires: Sat December 27, 2025, 2:00 PM

* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and Highwood Mountains, and Upper Blackfoot and MacDonald Pass. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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.