Owyhee River at Owyhee Dam

1. 13500.0 ftFloodwater will cover roads near Owyhee Junction. Some houses near Owyhee Junction will be flooded. Floodwater will cover portions of Highway 201 near Owyhee Junction cutting off access between Adrian and Nyssa. Extensive flooding of farmland will occur.
2. 12500.0 ftFloodwater will approach houses near Owyhee Junction. Widespread flooding of farmland will occur between the mouth of the canyon and the Snake River confluence. Flood water will be about 1 foot deep across Overstreet Road near the bridge crossing.
3. 10000.0 ftWidespread field flooding will occur downstream from the dam with farmland adjacent to the river underwater. Water will cover portions of Overstreet Road near the bridge crossing. Water will approach the bottom of the Highway 201 Bridge near the town of Owyhee Junction.
4. 8000.0 ftSignificant field flooding will occur from the mouth of the canyon to the confluence with the Snake River. Low lying roads near the river will flood. Road banks near the river may become unstable. Water will encroach on homes near River Road and Highway 201. Water will be flowing across Overstreet Road near the bridge crossing.
5. 6000.0 ftField flooding will occur near the river from the mouth of the canyon to the confluence with the Snake River. Shallow water will begin to flow across Overstreet Road near the bridge crossing.
6. 3000.0 ftLow lying roads, river access and recreation sites adjacent to the river will flood. Farm equipment near the river may need to be moved.
7. 1000.0 ftThe low water bridge crossing immediately below Owyhee Dam will be impacted by high water and access to the church camp may be cut off. River access roads and recreation sites below the dam to the mouth of the canyon will be impacted by high water. Low water crossings including Borge Lane and Bob Rice Road will flood. Minor field flooding will occur.

Most recent crests

• March 14, 2025: 7.94 ft
• April 10, 2024: 10.60 ft
• August 23, 2023: 2.03 ft
• August 4, 2022: 1.97 ft
• August 10, 2021: 2.06 ft
• February 23, 2020: 2.19 ft
• May 31, 2019: 8.18 ft
• April 27, 2018: 1.95 ft
• April 29, 2017: 8.29 ft
• July 2, 2016: 2.02 ft

• UpstreamOwyhee River at Rome
• Succor Creek at Homedale
• Boise River at Parma
• Snake River at Nyssa
• Bully Creek at Vale
• Malheur River
• Malheur River at Vale
• Willow Creek (SE Oregon) at Vale
• Malheur River

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round. Stage may be affected by ice.

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.