Big Nemaha River at Falls City
Observed Mon, Sep 28, 2:45 AM CDT
- Flood stage
- 27.00 ft
- Record crest
- 34.40 ft1973
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 36.00 ft |
| Moderate flood | 30.00 ft |
| Minor flood | 27.00 ft |
| Action | 25.00 ft |
- 36.00 ftFloodwaters begin to impact the bottom of the Highway 73 bridge.
- 30.00 ftPrimary roads have begun to flood. This may include portions of Highway 73 and Preston Road. Other primary roads in the area may be inundated depending on flows along Muddy Creek and the Missouri River.
- 29.00 ftThe parking lots of businesses just south of Falls City in the floodplain begin to be impacted. In addition, overflow begins at the Highway 73 bridge at the gage site.
- 28.00 ftAt this level county roads begin to flood.
- 27.00 ftLow lying flooding begins to impact farm fields and roadway ditches.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 11% |
| 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
79 crests on NOAA’s list since 1941.
| # | Date | Stage |
|---|---|---|
| 1 | October 11, 1973 | 34.40 ft |
| 2 | July 6, 1993 | 32.77 ft |
| 3 | June 29, 1965 | 31.90 ft |
| 4 | June 2, 1949 | 31.80 ft |
| 5 | May 29, 2019 | 31.59 ft |
| 6 | July 11, 1958 | 31.14 ft |
| 7 | July 30, 1992 | 31.03 ft |
| 8 | June 25, 2021 | 30.99 ft |
| 9 | June 5, 2015 | 30.94 ft |
| 10 | June 17, 1954 | 30.90 ft |
| 11 | March 28, 1960 | 30.75 ft |
| 12 | August 13, 1982 | 30.60 ft |
| 13 | June 10, 1941 | 30.60 ft |
| 14 | May 7, 2007 | 30.46 ft |
| 15 | May 1, 1951 | 30.27 ft |
| 16 | May 13, 1995 | 29.85 ft |
| 17 | June 9, 1984 | 29.43 ft |
| 18 | September 13, 1977 | 29.25 ft |
| 19 | July 16, 1968 | 29.20 ft |
| 20 | March 3, 1979 | 29.10 ft |
| 21 | May 9, 1950 | 29.00 ft |
| 22 | May 30, 2013 | 28.91 ft |
| 23 | June 12, 1967 | 28.90 ft |
| 24 | May 7, 1978 | 28.85 ft |
| 25 | September 4, 1946 | 28.77 ft |
Most recent crests
- September 23, 2025: 18.79 ft
- June 19, 2024: 22.85 ft
- April 20, 2023: 11.80 ft
- May 26, 2022: 18.58 ft
- June 25, 2021: 30.99 ft
- July 30, 2020: 22.90 ft
- May 29, 2019: 31.59 ft
- October 9, 2018: 26.51 ft
- May 1, 2017: 18.94 ft
- April 27, 2016: 22.80 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. 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.