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
About this graph
Forecasts for the Little Sioux River near Milford 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: 16
Moderate Flood Stage: 14
Flood Stage: 12
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 20.10 ft on 06/25/2018
(2) 18.02 ft on 03/18/2019
(3) 17.50 ft on 07/15/2011
(4) 17.37 ft on 06/19/2014
(5) 16.84 ft on 08/23/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.59 ft on 04/05/2023
(2) 15.19 ft on 03/09/2020
(3) 18.02 ft on 03/18/2019
(4) 20.10 ft on 06/25/2018
(5) 12.50 ft on 05/24/2017
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
18.5 190th Avenue begins flooding near Horseshoe Bend county park.
17.5 water reaches the road on 190th Avenue near 240th Street.
16 170th Avenue south of Highway 9 is flooded.
15.5 the bridge on 190th Avenue near 240th Street is overtopped, and 180th Street between 170th Avenue and 190th Avenue is flooded.
14 significant amounts of pasture and other farm lands begin to flood.
12 minor flooding of low lying agricultural lands begins.
(1) Upstream View
(2) Downstream View
Additional Information Collapse
How low could the river get?
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