Moreau River (SD) near Whitehorse
Observed Mon, Sep 28, 1:30 AM MDT
- Flood stage
- 21.00 ft
- Record crest
- 27.79 ft2019
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 25.00 ft |
| Moderate flood | 23.00 ft |
| Minor flood | 21.00 ft |
| Action | 19.00 ft |
- 25.80 ftMajor flooding of rural and pasture lands will occur as the banks on both sides of the river will be overtopped
- 25.00 ftThe water level will reach the low steel on the highway bridge at the gauging location. Water is over the road on both sides of the bridge
- 23.00 ftLarge amounts of pasture land on the right bank of the river are flooded
- 21.00 ftLow-lying pasture lands along the river begin to flood
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.
Crest history
67 crests on NOAA’s list since 1955.
| # | Date | Stage |
|---|---|---|
| 1 | March 25, 2019 | 27.79 ft |
| 2 | March 21, 1997 | 27.68 ft |
| 3 | March 20, 2011 | 26.92 ft |
| 4 | March 14, 1972 | 26.20 ft |
| 5 | May 24, 1982 | 26.00 ft |
| 6 | June 8, 2008 | 25.56 ft |
| 7 | April 17, 2009 | 25.37 ft |
| 8 | March 24, 1978 | 25.31 ft |
| 9 | March 23, 1987 | 23.79 ft |
| 10 | June 18, 2010 | 23.63 ft |
| 11 | March 5, 1994 | 23.25 ft |
| 12 | March 13, 2001 | 22.58 ft |
| 13 | June 20, 2014 | 22.33 ft |
| 14 | May 22, 1962 | 21.00 ft |
| 15 | June 16, 1967 | 20.07 ft |
| 16 | March 17, 1966 | 20.02 ft |
| 17 | May 11, 1986 | 19.77 ft |
| 18 | May 29, 1996 | 19.14 ft |
| 19 | June 23, 1995 | 18.42 ft |
| 20 | July 22, 1993 | 18.02 ft |
| 21 | May 11, 1975 | 17.99 ft |
| 22 | March 17, 1971 | 17.64 ft |
| 23 | June 19, 1976 | 16.34 ft |
| 24 | May 25, 1957 | 15.70 ft |
| 25 | March 24, 1969 | 15.17 ft |
Most recent crests
- May 13, 2022: 10.08 ft
- June 10, 2021: 7.51 ft
- May 24, 2020: 13.80 ft
- March 25, 2019: 27.79 ft
- February 26, 2017: 10.27 ft
- April 20, 2016: 8.69 ft
- May 18, 2015: 12.26 ft
- June 20, 2014: 22.33 ft
- May 30, 2013: 9.38 ft
- March 12, 2012: 5.36 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. Gauge reading may be affected by ice.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.