Minor Flood
1694 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: TMPS2). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Action Stage
1690 ft
What Floods at Each Level
1698 ft
218th St at the gage is overtopped.
1696 ft
Several structures around the lake will be at risk of flooding.
1695.08 ft
Record lake elevation reached in 2019 (using the NAVD88 elevation).
1694 ft
Portions of 211th and Twin Lakes Rd will be overtopped and water may approach some structures.
1693 ft
The lowest portions of 211th and Twin Lakes Rd near their junction may begins flood and most of the campgrounds north of Twin Lakes Rd will be flooded if Lake Henry levels are also elevated.
1691 ft
The lowest portions of some of the campgrounds north of Twin Lakes Rd begin to flood if Lake Henry levels are also elevated.
1690 ft
Some of the lowest lying areas around the lake begin to flood.
1688.6 ft
Outlet elevation of the lake (using the NAVD88 elevation).
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Oct 7, 2019 | 1695.08 ft | — |
| Apr 24, 2011 | 1695.05 ft | — |
| Apr 12, 2020 | 1694.06 ft | — |
About This Gauge
NWS LID
TMPS2
River
Vermillion River
County
Kingsbury, SD
Coordinates
44.2238°N, 97.4460°W
Get Flood Alerts for Vermillion River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Vermillion River at Lake Thompson?
The Vermillion River at Lake Thompson gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Vermillion River at Lake Thompson?
The NWS-defined flood stage for Vermillion River at Lake Thompson is 1694 feet. Action stage begins at 1690 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Vermillion River rises?
Download StormCast free on Google Play, go to River Gauges, and add Vermillion River at Lake Thompson to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Vermillion River at Lake Thompson gauge located?
The gauge is located in Kingsbury County, South Dakota at coordinates 44.2238°N, 97.4460°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Vermillion River
More Resources
Source & Notes
Data provided by: South Dakota DANR
- No forecasts are available for this location