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Green River (WY-UT-CO) at Green River, WY

River level and flood forecast · Sweetwater County

Normal1.1 ftas of Mon 1:30 PM

The river is 5.9 ft below flood stage (7 ft).

Forecast to hold near 1.1 ft through Sat, Oct 17, 2 PM.

Flow: 821 cubic feet per second (USGS).

The last 7 days and the forecast

0246810TueThuSatMonWedFriAction 5.5 ftFlood 7 ftModerate 8 ftMajor 9 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 11:53 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage9 ft
Moderate flood stage8 ft
Flood stage7 ft
Action stage5.5 ft
Record crest (September 7, 1965)8.53 ft

What floods at each level

From the National Weather Service, highest first.

  • 8.52 ftRecord stage and flow---16,800 cfs (9/7/1965).
  • 8 ftWater begins to encroach top of levee on left bank that protects homes and businesses from west of Highway 530. Water is over Green River Greenway/Walkway near gaging station. Access to gaging station is limited.
  • 7.5 ftWater is over Green River-Expedition Island Bridge. Access to Expedition Island is severely limited.
  • 7 ftFlood stage. The Green River Walkway/Greenway in town (from Expedition Island east to near the water treatment plant) is closed due to high water. Most high water problems in town are west of Highway 530 (Uinta Drive) in the oldest part of town.
  • 6 ftMost of low lying areas of Green River Greenway/Walkway is under water. Water covers low areas of parking lot at Expedition Island.
  • 5.5 ftBankfull stage. Water over low lying areas along Green River Walkway/Greenway near Expedition Island. Water encroaching low areas of parking lot at Expedition Island.

Highest crests on record

  1. 8.53 ft — September 7, 1965
  2. 7.98 ft — June 16, 1972
  3. 7.64 ft — June 21, 1986
  4. 7.63 ft — July 5, 1982
  5. 7.37 ft — June 3, 1951

Recent crests: 3.77 ft (June 14, 2020) · 5.21 ft (June 26, 2019) · 5.55 ft (June 18, 2018) · 6.86 ft (June 25, 2017) · 5.25 ft (June 18, 2016)

Up and down the river, and nearby

See it on the live map →Radar & warnings for Sweetwater CountyNWS gauge pageUSGS gauge 09217000

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GRRW4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.