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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: 19
Moderate Flood Flow: 12
Flood Flow: 9.9
Action Flow: 8.8
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
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(P): Preliminary values subject to further review.

Recent Crests
(1) 5,110 cfs on 05/31/2019
(2) 208 cfs on 04/27/2018
(3) 5,270 cfs on 04/29/2017
(4) 214 cfs on 07/02/2016
(5) 179 cfs on 06/23/2015
(6) 172 cfs on 06/09/2014
(7) 219 cfs on 02/28/2013
(8) 284 cfs on 04/24/2012
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
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
19000 Large amounts of farmland will be innundated downstream from the dam to the confluence with the Snake River. Houses near Owyhee Junction will be flooded. Water will cover portions of Oregon Highway 201.
17500 Significant flooding is likely downstream from the dam especially in the vicinity of Owyhee Junction. Water will cover portions of Highway 201.
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.
12500 Floodwater will approach houses near Owyhee Junction. Farmland between the dam and Owyhee Junction will be flooded. Flooding will be about 1 foot deep near the Overstreet Bridge.
10000 Flooding will occur downstream from the dam with farmland adjacent to the river underwater. Water may spill over portions of Overstreet Road below Owyhee Dam. Water will approach the bottom of the Highway 201 Bridge near the town of Owyhee.
(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:
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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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Page last modified: 7-Nov-2019 3:32 PM
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