East Fork Vermillion River below Montrose
Highest listed crest 1,449.86 ftFlood stage 1,446.0 ft3 crests since 2023
The East Fork Vermillion River below Montrose crested at major flood stage 1 time among the 3 crests the National Weather Service lists from 2023 to 2025. The highest, 1,449.86 ft on June 21, 2024, was major flooding, 3.86 feet above flood stage. 2 other gauges on the East Fork Vermillion River crested above flood stage within a week of it, 1 at its own highest listed crest.
The gauge
- Highest listed crest
- 1,449.86 ft
- June 21, 2024
- Flood stage
- 1,446.0 ft
- Major flooding from 1,448.0 ft
- Crests at major
- 1
- 62nd of 155 gauges in South Dakota
- Most recent flood crest
- June 21, 2024
- 1,449.86 ft, major flooding
Flood stages
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
| Action stage | 1,444.0 | 1 | Apr 8, 2023 |
| Flood stage (minor) | 1,446.0 | 0 | — |
| Moderate flood stage | 1,447.0 | 0 | — |
| Major flood stage | 1,448.0 | 1 | Jun 21, 2024 |
Every listed crest
3 crests from 2023 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.
- These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
- Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
Highest crests
| 1 | Jun 21, 2024 | 1,449.86 | +3.86 | Major |
| 2 | Apr 8, 2023 | 1,444.20 | −1.80 | Action |
| 3 | Jun 28, 2025 | 1,438.92 | −7.08 | Below flood stage |
The worst floods along the East Fork Vermillion River
For this gauge's highest crests, the other gauges on the East Fork Vermillion River that crested above flood stage within a week.
Gauges on the East Fork Vermillion River
Flood gauges sharing the river's name, linked within 80 miles of one another.
Other gauges in McCook County
McCook County: every hazard · River floods across the country · South Dakota
NOAA National Water Prediction Service, gauge EVMS2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.