Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the Northwest River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey
About this graph
Forecasts for the Yakima River near Parker are issued routinely year-round.
Return to Area Map

Upstream Gauge - at Umtanum Upstream Gauge Downstream Gauge Downstream Gauge - at Kiona
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 10
Action Stage: 9.4
Low Stage (in feet): -9999

Historic Crests
(1) 16.21 ft on 02/09/1996
(2) 15.00 ft on 12/23/1933
(3) 14.61 ft on 11/30/1995
(4) 14.50 ft on 11/26/1990
(5) 13.97 ft on 12/03/1977
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.40 ft on 02/08/2020
(2) 10.93 ft on 02/16/2016
(3) 12.15 ft on 12/10/2015
(4) 10.19 ft on 04/25/2012
(5) 13.20 ft on 05/16/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.99 ft on 09/19/1951
(2) 1.54 ft on 06/11/1977
KML Image
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
15 At this level, severe flooding from Selah to Prosser with major damage to homes and buildings, pastures, roads and bridges. There will be severe flooding in Wapato, Donald, Buena and Toppenish.
14 There will be widespread flooding of agricultural land, farm buildings, roads and highways from Selah to Prosser. There will be major flooding in Donald, Toppenish and Buena with major erosion damage to bridges, embankments and topsoils.
13 Widespread flooding of agricultural land, farm building, county roads and highways from Selah downstream to Prosser.
12 There will be flooding of farmland and county roads. Some homes and farm buildings will be flooded and there will be significant riverbank and topsoil erosion.
11 At this level, widespread minor flooding of farmland and county roads along the river will be noted.
10 There will be minor flooding of pastures and farm roads adjacent to the river.

Other Real-time and/or Archive Data Sources:

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
Pendleton Weather Forecast Office
2001 NW 56th Drive
Pendleton, OR 97801
(541) 276-7832
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:27 PM
Privacy Policy
About Us
Career Opportunities