Station Name: Firehole River at Old Faithful, YNP
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 7,372 feet

Nearest Address:
Mallard Lake Trail
Yellowstone National Park, WY 82190
Teton County

GPS Coordinates: 44.4593333, -110.8222722

Nearby Water Temperatures

Winter Storm Watch issued March 13 at 2:12AM MDT until March 14 at 11:00PM MDT by NWS Riverton WY

Effective: Fri March 13, 2026, 2:12 AM
Expires: Fri March 13, 2026, 5:15 PM

* WHAT...Heavy snow possible. Total snow accumulations between 10 and 15 inches possible, with locally higher amounts up to 20 inches over the western slopes of the Absarokas. Winds could gust as high as 70 mph on the eastern slopes, especially toward the Washakie Needles. * WHERE...Absaroka Mountains and Teton and Gros Ventre Mountains. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Travel could be very difficult.

Monitor the latest forecasts for updates on this situation.

Winter Storm Watch issued March 13 at 2:12AM MDT until March 14 at 11:00PM MDT by NWS Riverton WY

Effective: Fri March 13, 2026, 2:12 AM
Expires: Fri March 13, 2026, 5:15 PM

* WHAT...Heavy snow possible. Total snow accumulations of 10 to 15 inches over southern portions and far eastern portions; 3 to 6 inches in central portions and 1 to 4 inches in Lamar Valley and Mammoth. Winds could gust as high as 50 mph. * WHERE...Yellowstone National Park. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Travel could be difficult, especially in the backcountry.

Monitor the latest forecasts for updates on this situation.

Wind Advisory issued March 13 at 1:13AM MDT until March 13 at 9:00PM MDT by NWS Pocatello ID

Effective: Fri March 13, 2026, 1:13 AM
Expires: Fri March 13, 2026, 9:00 PM

* WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Teton Valley, Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain. * WHEN...From 11 AM this morning to 9 PM MDT this evening. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

Wind Advisory issued March 13 at 12:20PM MDT until March 13 at 9:00PM MDT by NWS Pocatello ID

Effective: Fri March 13, 2026, 12:20 PM
Expires: Fri March 13, 2026, 9:30 PM

* WHAT...For the Wind Advisory today, southwest winds 25 to 35 mph with gusts up to 50 mph. For the High Wind Warning Saturday, west winds 35 to 45 mph with gusts up to 65 mph expected. For the Blowing Dust Warning Saturday, widespread blowing dust expected, and travel disruptions will be possible. * WHERE...Upper Snake River Plain. * WHEN...For the Wind Advisory, until 9 PM MDT this evening. For the High Wind Warning, from 9 AM to 9 PM MDT Saturday. For the Blowing Dust Warning, from noon to 9 PM MDT Saturday. * IMPACTS...Severely limited visibilities are expected. Travel will be dangerous and possibly life-threatening. Travel will be difficult, especially for high profile vehicles. Isolated damage to trees, powerlines, signs, and outbuildings is expected, along with isolated power outages. Loose outdoor objects will be blown around. Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around.

Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in visibility to near zero. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far as possible and put your vehicle in park. Turn the lights all the way off and keep foot off the brake pedal. Remember, 'Pull Aside, Stay Alive'. Secure or bring inside loose outdoor objects before the high winds begin. During the high winds, avoid being outside in forested areas or around trees, branches, and powerlines. Use caution if you must drive, and keep both hands firmly on the steering wheel. Drivers of high profile vehicles should consider delaying travel until the high winds subside. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

Wind Advisory issued March 13 at 12:20PM MDT until March 13 at 9:00PM MDT by NWS Pocatello ID

Effective: Fri March 13, 2026, 12:20 PM
Expires: Fri March 13, 2026, 9:30 PM

* WHAT...For the Wind Advisory today, southwest winds 25 to 35 mph with gusts up to 45 mph. For the High Wind Warning Saturday, west winds 40 to 50 mph with gusts up to 65 mph expected. * WHERE...Teton Valley, Arco/Mud Lake Desert, and Lower Snake River Plain. * WHEN...For the Wind Advisory, until 9 PM MDT this evening. For the High Wind Warning, from 9 AM to 9 PM MDT Saturday. * IMPACTS...Travel will be difficult, especially for high profile vehicles. Isolated damage to trees, powerlines, signs, and outbuildings is expected, along with isolated power outages. Loose outdoor objects will be blown around. Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around.

Secure or bring inside loose outdoor objects before the high winds begin. During the high winds, avoid being outside in forested areas or around trees, branches, and powerlines. Use caution if you must drive, and keep both hands firmly on the steering wheel. Drivers of high profile vehicles should consider delaying travel until the high winds subside. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.