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 Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Elko, NV

Northwest River Forecast Center

Winter Storm Warning

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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About this graph Tabular Data (UTC) Tabular Data (PST) Datum: Not Available Metadata

NOTE: Forecasts are not available for the Owyhee River near Mountain City. Only observed stages are available for this point.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 10 Moderate Flood Stage: 9 Flood Stage: 8 Action Stage: 7 Low Stage (in feet): 0 Historic Crests (1) 9.38 ft on 02/09/2017 (P): Preliminary values subject to further review. Recent Crests (1) 9.38 ft on 02/09/2017 (P): Preliminary values subject to further review. Low Water Records Currently none available. 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

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10	Major flooding along the river channel, affecting businesses on the west side of Nevada State highway 225 in Mountain City. Impacts to highway 225 possible along the reach from Allegheny Creek south of Mountain City to Owyhee.
9	Moderate flooding occurs along the river channel. River embankment erosion occurs. Rodeo grounds are flooded. Low-lying hay fields and pasture flooding occurs. Businesses located along the river in Mountain City experience water seepage. Water has to be pumped from the Visitor Center. River level is nearing the level of the Boney Lane Bridge spanning the Owyhee River, and Nevada State Highway 225 between Mountain City and Owyhee. Access to Pleasant Valley is impacted.
8	Minor flooding along the river channel.

About This Location

Latitude: 41.860556° N, Longitude: 115.988333° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 8 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 5560 ft 5568 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 Mountain City

Additional Information

During winter months, gage readings may be severely affected by ice in the channel.

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 Snow Information (NOHRSC) Nevada NRCS Snow Survey Flood Risk FEMA Flood Insurance

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 Elko Weather Forecast Office 3720 Paradise Drive Elko, NV 89801 (775) 778-6716 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:27 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities