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Weather Forecast Office Sioux Falls, SD

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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Willow Creek (North Central IA) near Cornell

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About this graph

Tabular Data (UTC)

Tabular Data (CDT)

Datum: Not Available

Metadata

NOTE: No forecasts are available for this location

NOTE: Gauge reading may be affected by ice.

NOTE: Graphical forecasts are not available for the Willow Creek (North Central IA) near Cornell. During times of high water, forecast crest information can be found in the text products.

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Flood Categories (in feet)

Major Flood Stage:	96
Moderate Flood Stage:	94
Flood Stage:	90
Action Stage:	88
Low Stage (in feet):	0

Historic Crests
(1) 94.30 ft on 06/27/2010
(2) 94.20 ft on 09/20/2018
(3) 92.84 ft on 03/14/2019
(4) 91.49 ft on 03/22/1979
(5) 91.39 ft on 05/06/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 92.84 ft on 03/14/2019
(2) 94.20 ft on 09/20/2018
(3) 87.31 ft on 10/05/2017
(4) 88.04 ft on 12/14/2015
(5) 85.29 ft on 08/19/2015
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

Zoom Level:16

	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
96	Highway 71 begins to flood.
94	the higher banks overtop and significant flooding of crop and pasture land begins.
90	the lower banks overtop and minor agricultural flooding begins.

About This Location

Latitude: 42.972500° N, Longitude: 95.161100° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	90 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	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 Cornell

Resources

Hydrologic Resources

Additional Resources

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
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Page last modified: 2-Nov-2020 7:29 PM

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