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Weather Forecast Office Sioux Falls, SD

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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Big Sioux River at Sioux Falls Maple Street

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About this graph

Tabular Data (UTC)

Tabular Data (CDT)

Datum: NAVD88

Metadata

NOTE: No forecasts are available for this location

NOTE: Forecasts are not available for the Big Sioux River at Sioux Falls Maple Street. Only observed stages are available for this point.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	21
Moderate Flood Stage:	18
Flood Stage:	15
Action Stage:	14
Low Stage (in feet):	-9999

Historic Crests
(1) 9.19 ft on 03/25/2019
(2) 7.59 ft on 05/17/2007
(3) 7.24 ft on 06/15/2014
(4) 6.99 ft on 05/09/2013
(5) 6.14 ft on 07/27/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.19 ft on 03/25/2019
(2) 5.78 ft on 07/30/2018
(3) 5.06 ft on 06/12/2017
(4) 5.41 ft on 03/30/2016
(5) 5.90 ft on 03/18/2015
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:14

	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
19	water overtops the walk bridge near the gage.
18	water reaches the bottom of the walk bridge near the gage.
17	water reaches the low steel on the walk bridge near the gage.
15	water reaches the bottom of the levees. If there is a levee failure, flooding in Sioux Falls could occur.
Photos (1) Upstream View (2) Downstream View

About This Location

Latitude: 43.573056° N, Longitude: 96.763889° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	15 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	1404.48	1419.48	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 Sioux Falls Maple Street

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: 1-Mar-2019 12:34 AM

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