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 May 30 at 9:44AM MDT until June 1 at 12:00AM MDT by NWS Billings MT

Effective: Sat May 30, 2026, 9:44 AM
Expires: Sun May 31, 2026, 9:45 AM

* WHAT...Snow showers expected for the Beartooth Highway. Total snow accumulation of 1 to 3 inches above 9000 feet. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Travel on the Beartooth Highway will be impacted by wintry conditions, mainly at elevations above Vista Point. Be sure to monitor the weather and road conditions. * ADDITIONAL DETAILS...Those with recreation plans in the high country should be prepared for wintry conditions.

Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.

Flash Flood Watch issued May 30 at 7:50AM MDT until May 31 at 12:00AM MDT by NWS Billings MT

Effective: Sat May 30, 2026, 7:50 AM
Expires: Sun May 31, 2026, 12:00 AM

* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Elk, Robertson Draw, and East Side burn areas. * WHERE...Portions of south central Montana, including the following areas, Absaroka/Beartooth Mountains and Red Lodge Foothills, and north central Wyoming, including the following areas, Northeast Bighorn Mountains and Sheridan Foothills. * WHEN...Through this evening. * IMPACTS...Periods of heavy rainfall with embedded thunderstorms are expected over the Elk, Robertson Draw, and East Side burn areas today. Residents in and downstream of these burn areas should be prepared for potential rapid runoff, flooding, and debris flows. Narrow drainages and low-lying areas are especially prone to flooding. * ADDITIONAL DETAILS... - Periods of heavy rainfall with embedded thunderstorms are expected across the region. The Elk burn area along the eastern slopes of the Bighorn Mountains, and the Robertson Draw and East Side burn areas south of Red Lodge, could experience flash flooding and debris flows. Stay alert! - http://www.weather.gov/safety/flood

Continue to monitor the latest forecast and be prepared to take action should a Flash Flood Warning be issued.

Flash Flood Watch issued May 30 at 2:08PM MDT until May 31 at 12:00AM MDT by NWS Billings MT

Effective: Sat May 30, 2026, 2:08 PM
Expires: Sun May 31, 2026, 12:00 AM

* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the North Remington McGhee, Elk, Robertson Draw, and East Side burn areas. * WHERE...Portions of Montana, including the following areas, Absaroka/Beartooth Mountains, Red Lodge Foothills and Southern Rosebud and north central Wyoming, including the following areas, Northeast Bighorn Mountains and Sheridan Foothills. * WHEN...Until midnight MDT tonight. * IMPACTS...Periods of heavy rainfall with embedded thunderstorms are expected over the North Remington McGhee, Elk, Robertson Draw, and East Side burn areas this afternoon and evening. Residents in and downstream of these burn areas should be prepared for potential rapid runoff, flooding, and debris flows. Narrow drainages and low-lying areas are especially prone to flooding. Be sure to stay up to date with information from local authorities. * ADDITIONAL DETAILS... - Periods of heavy rainfall with embedded thunderstorms are expected across the region. The North Remington burn area in southern Rosebud County, Elk burn area along the eastern slopes of the Bighorn Mountains, and the Robertson Draw and East Side burn areas south of Red Lodge, could experience flash flooding and debris flows. Stay alert! - http://www.weather.gov/safety/flood

Continue to monitor the latest forecast and be prepared to take action should a Flash Flood Warning be issued.