National Weather Service Advanced Hydrologic Prediction Service

weather.gov

Home

News

Organization

Search by city or zip code. Press enter or select the go button to submit request

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar (Enhanced)
    Radar (Standard-Low Bandwidth)

AHPS Documentation
User Guide
User Brochure

What is AHPS?
Facts
Our Partners

Feedback/Questions
Provide Feedback
Ask Questions

This probabilistic forecast is issued by the North Central River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Chance of Exceeding Levels During Entire Period Weekly Chance of Exceeding Levels Short-term Probabilistic Guidance (Experimental)

For official forecast click here

Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey

About this graph

Forecasts for the West Fork Des Moines River near Avoca are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Downstream Gauge

Zoom Level:16

Flood Categories (in feet)

Major Flood Stage:	1428
Moderate Flood Stage:	1426
Flood Stage:	1425
Action Stage:	1423
Low Stage (in feet):	-9999

Historic Crests
(1) 1,430.20 ft on 07/05/2018
(2) 1,428.56 ft on 03/25/2019
(3) 1,426.71 ft on 03/06/2020
(4) 1,424.57 ft on 05/16/2022
(5) 1,423.80 ft on 05/23/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,424.57 ft on 05/16/2022
(2) 1,422.03 ft on 10/29/2021
(3) 1,426.71 ft on 03/06/2020
(4) 1,428.56 ft on 03/25/2019
(5) 1,430.20 ft on 07/05/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

	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
1428	County Road 6 and County Road 44 begin to flood, and there is widespread significant flooding of crop and pasture land.
1426	significant amounts of crop and pasture land are flooded.
1425	the lower pasture and farm land begins flooding.

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: 2-Nov-2020 7:29 PM

Disclaimer
Credits
Glossary