Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Pendleton, OR

Northwest River Forecast Center

Hydrograph

River at a Glance

Download

Probability Information Weekly Chance of Exceeding Levels Not Available Chance of Exceeding Levels During Entire Period Not Available Short-term Probabilistic Guidance (Experimental)

Auto Refresh: OFF

Printable Image About this graph Tabular Data (UTC) Tabular Data (PDT) Datum: Not Available Metadata

NOTE: Forecasts for the Yakima River near Parker are issued routinely year-round.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

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 For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer Gauge Location 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

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.

About This Location

Latitude: 46.497072° N, Longitude: 120.442840° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 10 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 885.89 ft 895.89 ft Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Parker

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management USGS Oregon USGS Washington US Bureau of Reclamation Oregon Water Resources Washington Water Resources NOAA's Drought Information Center National Water and Climate Center SNOTEL and snowpack data Snow Information National Flood Insurance Program

Collaborative Agencies 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 Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities