South Loup River at St. Michael
Observed Sat, Oct 3, 5:45 AM CDT
- Flood stage
- 9.50 ft
- Record crest
- 15.15 ft1978
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 17.00 ft |
| Moderate flood | 14.00 ft |
| Minor flood | 9.50 ft |
| Action | 8.50 ft |
- 17.00 ftRecord flooding is occurring. Several gravel roads will be flooded.
- 14.00 ftSignificant lowland flooding occurs.
- 9.50 ftWater floods agricultural lowlands and woodlands adjacent to the river.
Flood outlook
Chance of flooding, October to December
| 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
104 crests on NOAA’s list since 1948.
| # | Date | Stage |
|---|---|---|
| 1 | March 16, 1978 | 15.15 ft |
| 2 | February 11, 1966 | 13.78 ft |
| 3 | March 19, 1969 | 13.77 ft |
| 4 | March 20, 1969 | 13.70 ft |
| 5 | June 24, 1968 | 13.00 ft |
| 6 | March 23, 1962 | 12.92 ft |
| 7 | June 13, 1984 | 12.73 ft |
| 8 | February 21, 1980 | 12.61 ft |
| 9 | June 14, 1967 | 12.60 ft |
| 10 | March 9, 1993 | 12.32 ft |
| 11 | March 4, 1994 | 12.21 ft |
| 12 | March 15, 2019 | 12.19 ft |
| 13 | March 24, 1960 | 11.99 ft |
| 14 | March 9, 1979 | 11.07 ft |
| 15 | July 20, 1958 | 10.95 ft |
| 16 | July 26, 1972 | 10.63 ft |
| 17 | May 26, 1965 | 10.34 ft |
| 18 | February 19, 2007 | 10.13 ft |
| 19 | February 20, 1982 | 10.13 ft |
| 20 | March 27, 1960 | 9.83 ft |
| 21 | May 24, 2008 | 9.73 ft |
| 22 | July 24, 1973 | 9.57 ft |
| 23 | February 25, 2007 | 9.55 ft |
| 24 | June 17, 1957 | 9.46 ft |
| 25 | June 15, 1982 | 9.42 ft |
Most recent crests
- June 26, 2025: 7.15 ft
- June 22, 2024: 6.59 ft
- February 27, 2023: 5.76 ft
- December 9, 2022: 4.34 ft
- March 14, 2021: 4.46 ft
- May 25, 2020: 4.20 ft
- March 15, 2019: 12.19 ft
- May 19, 2018: 6.79 ft
- August 16, 2017: 7.36 ft
- January 22, 2016: 6.24 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 48 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 24 hours into the future from the forecast issuance time. Stage 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.