Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the Missouri Basin River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey
About this graph
Forecasts for the Big Sioux River at Sioux Falls N. Cliff Avenue are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 18
Flood Stage: 16
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 31.00 ft on 04/19/1881
(2) 27.45 ft on 04/10/1969
(3) 26.08 ft on 09/14/2019
(4) 25.40 ft on 06/22/1984
(5) 23.84 ft on 07/07/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.70 ft on 04/11/2023
(2) 11.01 ft on 08/07/2022
(3) 11.27 ft on 08/29/2021
(4) 14.94 ft on 03/15/2020
(5) 26.08 ft on 09/14/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
KML Image
Gauge LocationGauge Map Marker
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 Collapse
If you notice any errors in the below information, please contact our Webmaster
30 The levees upstream of the gauge will begin to be overtopped.
28 The levees dowstream of the gage will be overtopped.
18 Significant amounts of rural land downstream of Sioux Falls, and the salvage yard in extreme eastern Sioux Falls, will begin to flood. If levees fail, significant flooding around the city street department shops will result.
17.5 60th Street North and Timberline Road begin to flood.
16 Rural flooding downstream of Sioux Falls begins, and the Glenwood Stable begins to flood.
(1) Downstream View (9/20/2023)
(2) Upstream View (9/20/2023)

Other Real-time and/or Archive Data Sources:

Additional Information Collapse

USGS 7-Day Streamflow Historical Comparison USGS WaterWatch Webpage

Collaborative Agencies Collapse
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: 2-Nov-2020 7:29 PM
Privacy Policy
About Us
Career Opportunities