Big Sioux River above Canton

Last updated: Jun 10, 2025, 3:18 PM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 1245 - Highway 18 begins to flood and major damage will occur to trees and fences throughout the flood plain.
  • 1238 - Nearly all crop and pasture land in the 1/2 mile wide flood plain will be inundated.
  • 1237 - The park on the south side of Canton begins to flood.
  • 1236 - The parking lot at the Big Sioux access point off of Hwy 18 at the gauge location begins to flood.
  • 1235 - Flooding begins to affect significant amounts of crop and pasture land.

Gauge Info

Coordinates 43.3071, -96.5283
RFC MBRFC
State SD
WFO FSD
County Lincoln
Data Provider(s)
South Dakota DANR Observations courtesy of South Dakota DANR

Gauge Location

Recent Crests

1. 1248.35 ft on 06-22-2024
2. 1236.02 ft on 04-10-2023
3. 1235.23 ft on 03-30-2020
4. 1245.88 ft on 09-13-2019
5. 1244.68 ft on 03-15-2019

Historic Crests

1. 1248.35 ft on 06-22-2024
2. 1246.72 ft on 06-16-2014
3. 1245.88 ft on 09-13-2019
4. 1245.00 ft on 04-10-1969 1
5. 1244.68 ft on 03-15-2019

Vertical Datum Table

type NAVD88
major Flooding 1240.00 ft
moderate Flooding 1238.00 ft
minor Flooding 1235.00 ft
action 1233.00 ft
Latest Value N/A
Gauge Zero 0.00 ft

Gauge Photos

Photo 1 of 2

Downstream View

Probability Information

No Images Available

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.

WFO Information

Weather Forecast Office
Sioux Falls
26 Weather Lane
Sioux Falls, SD 57104-0198
Official Homepage