Firehole River at Old Faithful (YNP), WY
River level and flood forecast · Teton County
Normal2.6 ftas of Mon 2 PM
Flow: 59 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Action stage | 4 ft |
| Record crest (June 8, 2011) | 4.26 ft |
What floods at each level
From the National Weather Service, highest first.
- 4 ftBANKFULL STAGE.
Highest crests on record
- 4.26 ft — June 8, 2011
- 4 ft — June 5, 2010
- 3.74 ft — May 28, 2014
- 3.64 ft — June 9, 2012
- 3.6 ft — June 25, 2008
Recent crests: 3.07 ft (May 7, 2015) · 3.74 ft (May 28, 2014) · 3.37 ft (May 14, 2013) · 3.64 ft (June 9, 2012) · 4.26 ft (June 8, 2011)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FOFW4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.