Station Name: Jefferson River near Three Forks MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 4,081 feet / 1,244 meters

Nearest Address:
87571 Frontage Rd
Three Forks, MT 59752
Gallatin County

GPS Coordinates: 45.8971361, -111.5956722

Nearby Water Temperatures

Winter Weather Advisory issued December 21 at 2:32AM MST until December 22 at 9:00AM MST by NWS Great Falls MT

Effective: Sun December 21, 2025, 2:32 AM
Expires: Sun December 21, 2025, 4:15 PM

* WHAT...Snow and expected. Total snow accumulations 1 to 4 inches over the valleys and 4 to 10 inches at and above pass level. The snow may mix with light freezing rain or drizzle this evening and tonight with ice accumulations up to a glaze. Winds may gust as high as 40 mph at times. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains and Northwest Beaverhead County. * WHEN...Until 9 AM MST Monday. * IMPACTS...Plan for winter driving conditions. Sidewalks and other surfaces may become icy and slippery in areas that observe freezing rain or drizzle.

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 Storm Warning issued December 21 at 1:35AM MST until December 22 at 5:00PM MST by NWS Riverton WY

Effective: Sun December 21, 2025, 1:35 AM
Expires: Sun December 21, 2025, 4:00 PM

* WHAT...Heavy snow. Snow accumulations of 3 to 6 inches for areas in Yellowstone above 7000ft, mainly through Sunday morning; accumulations of 18 to 30 inches above 8000ft. Snow levels will be rising to 8000ft late Sunday afternoon into Sunday night. Winds gusts of 40 to 50 mph by Sunday afternoon. * WHERE...Absaroka Mountains and Yellowstone National Park. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday evening, Monday morning and evening commutes.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. 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 .

Avalanche Warning issued December 21 at 6:04AM MST by NWS Great Falls MT

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sun December 21, 2025, 6:04 AM
Expires: Mon December 22, 2025, 6:15 AM

AVWTFX The Gallatin National Forest Avalanche Center has issued an avalanche warning. * WHAT... The avalanche danger is HIGH on all slopes. Natural and human-triggered slides are very likely. * WHERE...The mountains near Island Park, West Yellowstone * WHEN...In effect through Monday 530 AM MST. * IMPACTS...Heavy snowfall on a snowpack with unstable weak layers will make human triggered avalanches very likely. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions exist. Backcountry travelers should stay off steep slopes and away from the bottom of steep slopes. Avalanches can be triggered from flat terrain. Steep slopes can avalanche far above and run into lower-angled terrain. Consult http://www.mtavalanche.com or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.

Winter Storm Warning issued December 21 at 9:13AM MST until December 22 at 5:00PM MST by NWS Riverton WY

Effective: Sun December 21, 2025, 9:13 AM
Expires: Mon December 22, 2025, 12:00 AM

* WHAT...Heavy snow. Snow accumulations of 3 to 6 inches for areas in Yellowstone above 7000ft, mainly through Sunday morning; accumulations of 18 to 30 inches above 8000ft. Snow levels will be rising to 8000ft late Sunday afternoon into Sunday night. Winds gusts of 40 to 50 mph by Sunday afternoon. * WHERE...Absaroka Mountains and Yellowstone National Park. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Sunday evening, Monday morning and evening commutes.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. 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 .