East Fork Vermillion River below Montrose
South Dakota — Water Level & Flood Stage
Located in McCook County, South Dakota on the East Fork Vermillion River. Live water level data from USGS, updated every 15 minutes.
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: EVMS2). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
1448 ft
Moderate Flood
1447 ft
Minor Flood
1446 ft
Action Stage
1444 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
1454 ft
The bridge on Hawk Drive at the gauging location is overtopped.
1451 ft
Water reaches the bottom of the bridge on Hawks Dr at the gauge.
1450.5 ft
Hawk Drive east of the bridge begins to flood.
1449.5 ft
Significant flooding will be ongoing across eastern Montrose and the Hwy 38 and 254th/Clark St bridges are overtopped.
1448 ft
The southeastern 1/3rd of Montrose begins to flood. Water reaches the bottom of the bridge on Hwy 38 and Valley Rd on the east side of Montrose is flooded. Major agricultural flooding begins.
1447 ft
The lowest portions of 254th/Clark St in Montrose may begin to flood.
1446 ft
Significant amounts of agricultural lands are flooded. Private entrances to at least one farmstead near the gauge begin to flood.
1445 ft
The baseball field and campground just north of the 254th bridge in Montrose begin to flood.
1444 ft
Minor lowland flooding begins.
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 |
|---|---|---|
| Jun 20, 2024 | 1449.86 ft | — |
| Jun 20, 2024 | 1449.86 ft | — |
| Apr 7, 2023 | 1444.2 ft | — |
| Apr 7, 2023 | 1444.2 ft | — |
| Jun 27, 2025 | 1438.92 ft | — |
About This Gauge
NWS LID
EVMS2
River
East Fork Vermillion River
County
McCook, SD
Coordinates
43.6519°N, 97.1735°W
Get Flood Alerts for East Fork 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 East Fork Vermillion River below Montrose?
The East Fork Vermillion River below Montrose 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 East Fork Vermillion River below Montrose?
The NWS-defined flood stage for East Fork Vermillion River below Montrose is 1446 feet. Action stage begins at 1444 feet. Moderate flooding starts at 1447 feet, and major flooding at 1448 feet.
How do I get alerts when East Fork Vermillion River rises?
Download StormCast free on Google Play, go to River Gauges, and add East Fork Vermillion River below Montrose to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the East Fork Vermillion River below Montrose gauge located?
The gauge is located in McCook County, South Dakota at coordinates 43.6519°N, 97.1735°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Observations courtesy of South Dakota DANR
- No forecasts are available for this location
- Gauge reading may be affected by ice.