Moccasin Creek at Aberdeen, SD
River level and flood forecast · Brown County
Normal2.0 ftas of Mon 1:45 PM
The river is 4.0 ft below flood stage (6 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 | 6 ft |
| Action stage | 5 ft |
| Record crest (May 6, 2007) | 8 ft |
What floods at each level
From the National Weather Service, highest first.
- 11 ftWater is higher than the top of the culvert at the gauging location and the road is overtopped
- 9 ftThe east bank overflows.
- 6 ftSeveral inches of water cover parts of the recreational trail and city officials close off and barricade parts of the trail. Specifically, low-lying areas near the soccer fields, behind Aberdeen Area Senior Center and Anderson Park, behind McDonalds, and near Bethlehem Lutheran Church.
- 5 ftLow-lying areas along the recreational trail start to become covered with water.
Highest crests on record
- 8 ft — May 6, 2007
- 7.38 ft — July 13, 2011
- 7.27 ft — April 1, 1997
- 7.16 ft — April 6, 2019
- 7.08 ft — March 18, 2010
Recent crests: 3.74 ft (July 15, 2025) · 5.12 ft (April 19, 2023) · 5.6 ft (June 18, 2020) · 7.16 ft (April 6, 2019) · 2.83 ft (June 11, 2018)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (AMCS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.