Gros Ventre River at Zenith, WY

River level and flood forecast · Teton County

Normal18.4 ftas of Mon 1:15 PM

Forecast to rise to 19.2 ft Mon 6 PM.

Flow: 95 cubic feet per second (USGS).

The last 7 days and the forecast

17.51818.51919.5TueThuSatMonWedFriNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 1:06 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Action stage26 ft
Record crest (June 6, 1997)23 ft

What floods at each level

From the National Weather Service, highest first.

  • 26 ftBankfull stage. Near top of levees.
  • 23 ftRecord stage and flow---6,170 cfs (6/6/1997).

Highest crests on record

  1. 23 ft — June 6, 1997
  2. 22.77 ft — June 10, 1996
  3. 22.26 ft — June 17, 2017
  4. 21.48 ft — June 18, 1999
  5. 21.4 ft — July 8, 2011

Recent crests: 19.69 ft (June 6, 2021) · 21.17 ft (June 1, 2020) · 21.12 ft (June 8, 2019) · 19.41 ft (May 26, 2018) · 22.26 ft (June 17, 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 (GVZW4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.