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 Weather Advisory issued June 27 at 3:54AM MDT until June 29 at 12:00PM MDT by NWS Great Falls MT

Effective: Sat June 27, 2026, 3:54 AM
Expires: Sat June 27, 2026, 6:00 PM

* WHAT...Periods of wet snow expected. Total snow accumulations up to 4 inches above 6500 feet, with localized amounts in excess of 8 inches near highest peaks. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains, Northwest Beaverhead County, and Ruby Mountains and Southern Beaverhead Mountains. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...Plan on cold and wet backcountry conditions with a heightened hypothermia risk for those not properly dressed. Wet snow may down trees and block access to forest roadways. * ADDITIONAL DETAILS...Campers should be aware that it only takes a few inches of snow to damage tents and other recreational items.

Monitor the latest forecasts for updates on this situation.

Winter Storm Warning issued June 27 at 12:44PM MDT until June 29 at 12:00PM MDT by NWS Great Falls MT

Effective: Sat June 27, 2026, 12:44 PM
Expires: Sun June 28, 2026, 6:00 AM

* WHAT...Heavy snow expected. Total snow accumulations between 2 and 6 inches at pass level, with snow amounts in excess of a foot in the higher terrain. * WHERE...Northwest Beaverhead County. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...Travel could be difficult over passes. Back country conditions will be very dangerous, especially near and above pass level. * ADDITIONAL DETAILS...Wet snow may down trees and block access to forest roadways.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Winter Weather Advisory issued June 27 at 10:49AM MDT until June 29 at 6:00PM MDT by NWS Billings MT

Effective: Sat June 27, 2026, 10:49 AM
Expires: Sun June 28, 2026, 11:00 AM

* WHAT...Wet snow expected for the Beartooth Highway. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 40 mph tonight into Sunday, then up to 55 mph on Monday. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 10 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel on the Beartooth Highway will be impacted by wintry conditions. * ADDITIONAL DETAILS...The snow will lighten or even stop for a time Sunday afternoon into Sunday evening. Snow will redevelop Sunday night and continue into Monday.

Slow down and use caution while traveling. For the latest road conditions, call 5 1 1. Those with recreation plans in the high country should be prepared for wintry conditions.