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: 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 Bismarck, ND

Missouri Basin River Forecast Center

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) Not Available

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: NGVD29 Metadata

NOTE: Forecasts are not available for the James River at Jamestown Dam. 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) Not Available Historic Crests (1) 1,454.10 ft on 04/26/2009 (2) 1,451.20 ft on 05/01/2011 (3) 1,450.08 ft on 08/18/2011 (4) 1,445.90 ft on 05/05/1997 (5) 1,445.77 ft on 04/15/2010 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 1,450.08 ft on 08/18/2011 (2) 1,451.20 ft on 05/01/2011 (3) 1,445.77 ft on 04/15/2010 (4) 1,454.10 ft on 04/26/2009 (5) 1,432.87 ft on 06/26/2007 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

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
1454	Water begins to flow over the emergency spillway known as the "Morning Glory" hole.
1453	By this approximate stage, all recreational boating on the reservoir has historically been restricted and traffic across the dam has been closed to authorized personnel only.
Photos (1) Jamestown Dam near Jamestown-Upstream View (2) Jamestown Dam near Jamestown-Downstream View (3) Jamestown Dam Glory Hole Spillway

About This Location

Latitude: 46.930556° N, Longitude: 98.706389° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft Not Available 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 Not Available Not Available 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 Jamestown Dam

Additional Information

Jamestown Dam is owned and operated by the US Bureau of Reclamation. At elevation 1454 ft MSL, the pool reaches the "glory hole" and begins to spill.

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 AHPS User Guide for the Public USGS ND River Data

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 Bismarck Weather Forecast Office 2301 University Drive, Building 27 Bismarck, ND 58502-1016 (701) 250-4224 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities