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This probabilistic forecast is issued by the Northwest River Forecast Center.
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About this graph
Forecasts for the Owyhee River at Owyhee Dam are issued routinely year-round.
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Zoom Level:14
Flood Categories (in KCFS)
Major Flood Flow: 15.5
Moderate Flood Flow: 6
Flood Flow: 3
Action Flow: 1
Low Stage (in feet): -9999

Historic Crests
(1) 22,900 cfs on 04/15/1952
(2) 20,900 cfs on 02/25/1986
(3) 19,325 cfs on 04/17/1984
(4) 14,000 cfs on 04/03/1972
(5) 12,000 cfs on 04/16/1983
(6) 11,800 cfs on 04/09/2006
(7) 11,700 cfs on 05/21/1995
(8) 11,000 cfs on 04/02/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 211 cfs on 08/23/2023
(2) 203 cfs on 08/04/2022
(3) 189 cfs on 08/10/2021
(4) 259 cfs on 02/23/2020
(5) 5,110 cfs on 05/31/2019
(6) 208 cfs on 04/27/2018
(7) 5,270 cfs on 04/29/2017
(8) 214 cfs on 07/02/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
15500 Floodwater 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.
12500 Floodwater 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.
10000 Widespread 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.
6000 Significant field flooding will occur near the river from the mouth of the canyon to the confluence with the Snake River. Water will begin to flow across Overstreet Road near the bridge crossing.
3000 Low lying roads, river access and recreation sites adjacent to the river will flood. Farm equipment near the river may need to be moved.
1000 The 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.
Photos
(1) Downstream view of gage house.
(2) Cableway used for discharge measurements.
(3) Downstream view looking toward gage house.

Other Real-time and/or Archive Data Sources:
Additional Information Collapse
Recreational River Forecasts for this location are available at: http://www.wrh.noaa.gov/total_forecast/getprod.php?wfo=boi&sid=BOI&pil=HYD
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Boise Weather Forecast Office
NIFC Building 3807
Boise, ID 83705-5354
(208) 334-9860
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