Firesteel Creek near Mt. Vernon, SD
River level and flood forecast · Davison County
Normal2.4 ftas of Mon 2:15 PM
The river is 5.6 ft below flood stage (8 ft).
Flow: 0 cubic feet per second (USGS).
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
| Major flood stage | 15 ft |
| Moderate flood stage | 13 ft |
| Flood stage | 8 ft |
| Action stage | 7 ft |
| Record crest (April 3, 1969) | 17.12 ft |
What floods at each level
From the National Weather Service, highest first.
- 19 ftThe bridge on 398th Avenue at the gage is overtopped.
- 18 ft403rd Ave north of the bridge will begin to flood.
- 17 ftThe water reaches the bottom of the bridge on 398th Avenue at the gage and the low spot in the road south of the bridge will be flooded.
- 14.5 ftThe bridge on 405th Ave will be overtopped.
- 13.5 ftThe bridge on 404th Avenue is overtopped.
- 13 ftThe left bank overflows.
- 12 ftThe water reaches the bottom of the bridge on 404th Avenue.
- 8 ftThe right bank overflows.
- 7.5 ftWater reaches the bottom of the bridge 2 1/2 miles west of Storla.
Highest crests on record
- 17.12 ft — April 3, 1969
- 16.94 ft — June 22, 2024
- 16.04 ft — July 31, 2010
- 15.56 ft — June 21, 1984
- 15.34 ft — April 4, 1969
Recent crests: 2.93 ft (June 29, 2025) · 16.94 ft (June 22, 2024) · 3.3 ft (April 20, 2023) · 3.32 ft (June 4, 2022) · 3.12 ft (April 8, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MTVS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.