ALERT: Update on status of the nationwide data transmission error that prevents stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. The USGS has restored the transmission from all of their gauges or has placed them in a seasonal outage (some Alaska gauges). There are a few USGS gauges that the NWS is not yet receiving the new transmissions and NWS is working to get that data by alternate means. A map of the status of USGS gauges is here. The status map of gauge outages from other agencies is here. The situation has greatly improved and will continue to improve but at a slower pace. The outage maps will now be updated once per week on Thursday. We apologize for the service interruption and hope to have the data restored as soon as possible.

Weather Forecast Office Sioux Falls, SD

Missouri Basin River Forecast Center

Flood Warning

Hydrograph

River at a Glance

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

NOTE: Gauge reading affected by reservoir operations. NOTE: Forecasts are not available for the Missouri River at Niobrara. Only observed stages are available for this point.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 24 Moderate Flood Stage: 23 Flood Stage: 21 Action Stage: 20 Low Stage (in feet): -9999 Historic Crests (1) 26.76 ft on 06/26/2011 (2) 23.64 ft on 07/22/2010 (3) 22.50 ft on 01/17/2007 (4) 21.98 ft on 10/13/1997 (5) 21.85 ft on 08/20/1997 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 20.54 ft on 06/02/2017 (2) 26.76 ft on 06/26/2011 (3) 23.64 ft on 07/22/2010 (4) 22.50 ft on 01/17/2007 (5) 21.44 ft on 08/01/2006 Show More Recent Crests (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:14 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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25.5	Bottom Road in Bon Homme County begins flooding.
24	Highway 12 east and west of Niobrara will be flooded, and the sewage lagoons in Niobrara will be flooded. Homes and cabins in Running Water will also be threatened by high water.
23	Highway 12 east of Niobrara could be overtopped by water backing up Bazile Creek.
22.5	The Fishing Road on the south bank near Niobrara is flooded.
22	The road to the Niobrara sewer lagoon is flooded.
21	Both banks overflow and some boat docks near Niobrara are flooded.
Photos (1) Upstream View (2) Downstream View

About This Location

Latitude: 42.761667° N, Longitude: 98.027778° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 21 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 1200 ft 1221 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: Corps of Engineers (COE) Info for Niobrara U.S. Geological Survey (USGS) Data and Site Info for Niobrara

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Missouri Basin River Forecast Center North Central River Forecast Center NOHRSC Snow Information Drought Monitor USGS HADS River Stage Data Inundation Mapping Locations Precipitation Frequency Data FEMA Region VIII Flood Information Big Sioux Flood Information System Iowa Flood Center Minnesota DNR ___

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Flood Damage Costs/Fatalities in the US, 1903 - 2014 AHPS Web Brochure SDSU Climate and Weather SDSU Drought Dashboard Iowa State University Soil Temperatures Iowa DNR State Beach Water Quality Daily High Temperature Map Daily Low Temperature Map Daily Precipitation Map Daily Snowfall Map Daily Snow Depth Map Report on July 29-30, 2010 heavy rain/flood event in Jerauld County

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 Sioux Falls Weather Forecast Office 26 Weather Lane Sioux Falls, SD 57104-0198 (605) 330-4247 Ask Questions/Webmaster Page last modified: 21-Dec-2016 5:20 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities