South Branch Tributary Mud Creek near Rauville, SD
River level and flood forecast · Codington County
Normal0.8 ftas of Mon 3 PM
The river is 3.2 ft below flood stage (4 ft).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Flood stage | 4 ft |
| Action stage | 3.5 ft |
| Record crest (March 23, 2019) | 5.75 ft |
Highest crests on record
- 5.75 ft — March 23, 2019
- 5.62 ft — March 15, 2009
- 5.5 ft — April 7, 2001
- 5.28 ft — March 20, 2011
- 5.15 ft — July 28, 2025
Recent crests: 5.15 ft (July 28, 2025) · 3.71 ft (April 2, 2020) · 5.75 ft (March 23, 2019) · 2.48 ft (February 24, 2017) · 2.69 ft (March 8, 2016)
Up and down the river, and nearby
- UpstreamMud Creek near Rauville, SD
- Big Sioux River at Watertown Sioux Conifer Road, SD
- Big Sioux River at Lake Kampeska, SD
- Willow Creek near Watertown, SD
- Big Sioux River at Watertown Broadway Avenue, SD
- Big Sioux River near Watertown, SD
- Lake Kampeska at Watertown Water Plant, SD
- Big Sioux River below Watertown, SD
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RVLS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.