Snake River near Jackson

1. 11.66 ftRecord stage and flow---30,200 cfs (6/11/1997).
2. 11.10 ftFlows in excess of 30,000 cfs can cause substantial erosional damage to the levee system. Levee repair begins to overwhelm available resources. Extended periods of flow at this level seriously threatens low-lying property in the Snake River flood plain below Jackson Lake.
3. 10.80 ftMinor damage and/or problems to levee structures between Jackson Lake and the gage site begin. 24-hour monitoring of levees is needed.
4. 10.50 ftSnake River begins to cause flooding near the Bridger-Teton National Forest Cottonwood Work Center. Cabins and garages begin to flood and escape routes start to be cut off.
5. 10.00 ftFlood stage. Minor low land flooding.

Most recent crests

• June 6, 2021: 6.40 ft
• June 7, 2020: 8.05 ft
• May 17, 2019: 6.54 ft
• June 1, 2018: 8.97 ft
• June 6, 2017: 10.00 ft
• June 10, 2016: 6.37 ft
• June 2, 2015: 6.75 ft
• May 31, 2014: 7.85 ft
• May 18, 2013: 6.30 ft
• June 6, 2012: 7.87 ft

• UpstreamSnake River at Moose
• DownstreamSnake River at Alpine
• Hoback River
• Cache Creek
• Flat Creek (WY) at Jackson
• Fish Creek (WY) at Wilson
• Gros Ventre River at Zenith
• Granite Creek (WY) at Moose
• Gros Ventre River at Kelly

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.