Station Name: Boiling River at Mammoth,YNP
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 5,686 feet

Nearest Address:
N Entrance Rd
Yellowstone National Park, WY 82190
Park County

GPS Coordinates: 44.9851333, -110.6893444

Nearby Water Temperatures

Winter Storm Warning issued April 21 at 11:28PM MDT until April 24 at 6:00AM MDT by NWS Billings MT

Effective: Tue April 21, 2026, 11:28 PM
Expires: Wed April 22, 2026, 11:30 PM

* WHAT...Heavy snow expected. Total snow accumulations between 8 and 15 inches. Winds gusting as high as 60 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 6 PM Wednesday to 6 AM MDT Friday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...The strongest winds are forecast this evening east of the Stillwater River Valley.

Monitor the latest forecast for updates.

Wind Advisory issued April 22 at 10:16AM MDT until April 23 at 12:00AM MDT by NWS Billings MT

Effective: Wed April 22, 2026, 10:16 AM
Expires: Thu April 23, 2026, 12:00 AM

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until midnight MDT tonight. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. Warm and dry conditions could cause rapid fire spread. Use caution with any burning activities.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution and consider postponing travel until winds subside, or take an alternate route. Secure outdoor objects.

Winter Storm Warning issued April 22 at 1:10PM MDT until April 24 at 6:00AM MDT by NWS Billings MT

Effective: Wed April 22, 2026, 1:10 PM
Expires: Thu April 23, 2026, 1:15 PM

* WHAT...Heavy snow expected. Total snow accumulations of 12 to 18 inches. Winds gusting as high as 70 mph. * WHERE...Crazy Mountains. * WHEN...From 6 PM this evening to 6 AM MDT Friday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Blowing snow could significantly reduce visibility.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions, call 5 1 1.

Winter Storm Warning issued April 22 at 1:10PM MDT until April 24 at 6:00AM MDT by NWS Billings MT

Effective: Wed April 22, 2026, 1:10 PM
Expires: Thu April 23, 2026, 1:15 PM

* WHAT...Heavy snow expected. Total snow accumulations between 8 and 15 inches. Winds gusting as high as 60 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 6 PM this evening to 6 AM MDT Friday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...The strongest winds are forecast this evening east of the Stillwater River Valley.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions, call 5 1 1.

Winter Weather Advisory issued April 22 at 1:13AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY

Effective: Wed April 22, 2026, 1:13 AM
Expires: Wed April 22, 2026, 6:00 PM

* WHAT...Snow expected. Total snow accumulations between 5 and 12 inches, with the accumulations up to 18 inches across the Pitchstone Plateau in southwest Yellowstone. Winds gusting between 30 and 45 mph. * WHERE...Yellowstone National Park. * WHEN...From noon today to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Total snow accumulation of 1 to 3 inches at Mammoth and 6 to 9 inches around Old Faithful and Canyon.

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 .