Green River (WY-UT-CO) below Fontenelle Dam, WY
River level and flood forecast · Sweetwater County
Normal11.1 ftas of Mon 1 PM
The river is 5.4 ft below flood stage (16.5 ft).
Forecast to hold near 11.1 ft through Sat, Oct 17, 2 PM.
Flow: 597 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 11:53 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 18.5 ft |
| Moderate flood stage | 17.5 ft |
| Flood stage | 16.5 ft |
| Action stage | 15.5 ft |
| Record crest (September 5, 1965) | 18.74 ft |
What floods at each level
From the National Weather Service, highest first.
- 18.73 ftRecord stage and flow---19,400 cfs (9/5/1965).
- 17.5 ftAccess to Weeping Rock Campground is very limited due to high water. One half of Slate Creek Campground may be under water. High water may obstruct passage of bridge on west end of Lincoln County Road 311. High water may also restrict safe passage to water pumping staion on sw side of bridge.
- 16.5 ftFlood stage. River begins to overflow into Weeping Rock Campground (immediately below dam) and into Slate Creek Campground (3-3.5 mile downstream). USBR personnel will evacuate campgrounds in event of a flood emergency.
- 15.5 ftBankfull stage.
Highest crests on record
- 18.74 ft — September 5, 1965
- 17.79 ft — June 14, 1972
- 17.74 ft — July 3, 1982
- 17.69 ft — June 19, 1986
- 17.24 ft — May 4, 1985
Recent crests: 13.63 ft (June 13, 2020) · 15.26 ft (June 25, 2019) · 15.34 ft (June 15, 2018) · 16.63 ft (June 25, 2017) · 14.85 ft (June 19, 2016)
Up and down the river, and nearby
- UpstreamGreen River (WY-UT-CO) near La Barge, WY
- DownstreamGreen River (WY-UT-CO) at Green River, WY
- Fontenelle Creek near Herschler Ranch, WY
- Hams Fork below Pole Creek, near Frontier, WY
- Big Sandy River (WY) above Big Sandy Reservoir, WY
- Blacks Fork near Little America, WY
- New Fork River near Big Piney, WY
- Smiths Fork near Border, WY
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GBFW4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.