Snake River below Jackson Dam, WY
River level and flood forecast · Teton County
Normal2.3 ftas of Mon 12:45 PM
Flow: 281 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 | 15 ft |
| Record crest (June 19, 1943) | 11.63 ft |
What floods at each level
From the National Weather Service, highest first.
- 20 ftFlood stage. Minor low land flooding.
- 15 ftBankfull stage.
- 11.63 ftRecord stage---(6/19/1943).
- 10.41 ftRecord flow---15,100 cfs (6/12/1918).
Highest crests on record
- 11.63 ft — June 19, 1943
- 10.96 ft — June 11, 1997
- 10.74 ft — June 25, 1981
- 10.67 ft — June 10, 2010
- 10.41 ft — June 12, 1918
Recent crests: 7.41 ft (July 19, 2021) · 7.59 ft (June 7, 2020) · 7.03 ft (May 18, 2019) · 8.6 ft (May 25, 2018) · 8.2 ft (June 7, 2017)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (JLKW4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.