N F Solomon River at Portis
Observed Thu, Sep 24, 10:30 AM CDT
- Flood stage
- 15.00 ft
- Record crest
- 25.71 ft2008
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 25.00 ft |
| Moderate flood | 20.00 ft |
| Minor flood | 15.00 ft |
| Action | 13.00 ft |
- 25.00 ftWidespread flooding occurs in low lying areas and over several county roads. The town of Portis and the bridge on Highway 281 are not threatened by flooding. A record flood of 28.5 feet occurred in July of 1951.
- 20.00 ftThere will be significant flooding over county road 362 and South 80th Avenue.
- 17.50 ftThe north approach to South 80th Avenue will flood and the flooding over county road 362 will worsen.
- 15.00 ftThe southeast bank overflows into agricultural and pasture lowlands. Water rises over county road 362.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 11% |
| Moderate flooding | 6% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.
Crest history
63 crests on NOAA’s list since 1964.
| # | Date | Stage |
|---|---|---|
| 1 | May 25, 2008 | 25.71 ft |
| 2 | July 21, 1993 | 23.43 ft |
| 3 | May 29, 1995 | 23.00 ft |
| 4 | June 21, 2010 | 22.99 ft |
| 5 | August 16, 1968 | 22.95 ft |
| 6 | June 2, 2011 | 22.58 ft |
| 7 | October 23, 2008 | 21.25 ft |
| 8 | July 27, 1998 | 20.54 ft |
| 9 | July 29, 1967 | 20.30 ft |
| 10 | May 13, 1982 | 19.88 ft |
| 11 | November 17, 1996 | 19.87 ft |
| 12 | May 30, 2001 | 18.92 ft |
| 13 | May 29, 2019 | 18.76 ft |
| 14 | October 11, 1973 | 18.74 ft |
| 15 | March 23, 1979 | 18.28 ft |
| 16 | September 2, 1971 | 18.12 ft |
| 17 | April 15, 1987 | 17.88 ft |
| 18 | June 22, 1975 | 17.78 ft |
| 19 | October 4, 2017 | 17.57 ft |
| 20 | May 22, 1969 | 17.08 ft |
| 21 | August 6, 2015 | 16.89 ft |
| 22 | September 29, 1973 | 16.47 ft |
| 23 | June 15, 2009 | 15.32 ft |
| 24 | June 6, 1992 | 14.73 ft |
| 25 | July 19, 1989 | 14.09 ft |
Most recent crests
- September 22, 2025: 9.75 ft
- June 2, 2024: 10.34 ft
- July 5, 2023: 9.07 ft
- May 1, 2022: 12.84 ft
- May 27, 2021: 13.92 ft
- July 22, 2020: 13.01 ft
- May 29, 2019: 18.76 ft
- May 30, 2018: 13.33 ft
- October 4, 2017: 17.57 ft
- September 6, 2016: 9.47 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.