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

Severe Thunderstorm Watch issued May 13 at 1:54PM MDT until May 13 at 8:00PM MDT by NWS Riverton WY

Effective: Wed May 13, 2026, 1:54 PM
Expires: Wed May 13, 2026, 8:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 200 IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN WYOMING THIS WATCH INCLUDES 6 COUNTIES IN CENTRAL WYOMING FREMONT IN NORTHWEST WYOMING PARK TETON IN SOUTH CENTRAL WYOMING SWEETWATER IN WEST CENTRAL WYOMING LINCOLN SUBLETTE THIS INCLUDES THE CITIES OF AFTON, BIG PINEY, CODY, COKEVILLE, DUBOIS, GREEN RIVER, JACKSON, KEMMERER, LANDER, PINEDALE, POWELL, RIVERTON, AND ROCK SPRINGS.

Wind Advisory issued May 13 at 12:27AM MDT until May 13 at 10:00PM MDT by NWS Pocatello ID

Effective: Wed May 13, 2026, 12:27 AM
Expires: Wed May 13, 2026, 10:00 PM

* WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Challis/Pahsimeroi Valleys, Lost River Range, Lost River Valley, Wood River Foothills, Beaverhead - Lemhi Highlands, Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Lower Snake River Plain, Raft River Region, Southern Hills/Albion Mountains, and Upper Snake River Plain. * WHEN...From noon today to 10 PM MDT this evening. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft.

Severe Thunderstorm Watch issued May 13 at 6:05PM MDT until May 13 at 8:00PM MDT by NWS Pocatello ID

Effective: Wed May 13, 2026, 6:05 PM
Expires: Wed May 13, 2026, 8:00 PM

SEVERE THUNDERSTORM WATCH 200 REMAINS VALID UNTIL 8 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN IDAHO THIS WATCH INCLUDES 13 COUNTIES IN EASTERN IDAHO TETON IN SOUTH CENTRAL IDAHO FREMONT IN SOUTHEAST IDAHO BANNOCK BEAR LAKE BINGHAM BONNEVILLE CARIBOU CASSIA FRANKLIN JEFFERSON MADISON ONEIDA POWER THIS INCLUDES THE CITIES OF ABERDEEN, AMERICAN FALLS, ASHTON, BLACKFOOT, BURLEY, DRIGGS, GRACE, HOLBROOK, IDAHO FALLS, ISLAND PARK, MALAD CITY, MALTA, MCCAMMON, MONTPELIER, MORELAND, OAKLEY, POCATELLO, PRESTON, REXBURG, RIGBY, RIRIE, ROCKLAND, SHELLEY, SODA SPRINGS, ST. ANTHONY, VICTOR, AND WAYAN.