Rivers in Iowa
North River near Norwalk
Below flood stage
13.86ftStage
Observed Tue, Sep 22, 4:15 AM CDT
- Flood stage
- 22.00 ft
- Record crest
- 25.33 ft1990
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 26.00 ft |
| Moderate flood | 25.00 ft |
| Minor flood | 22.00 ft |
| Action | 17.00 ft |
- 26.00 ftWater affects parts of Hwy R63.
- 25.00 ftWater affects Hwy R57.
- 23.00 ftSecondary road closures occur.
- 22.00 ftWater is over Iowa 28 immediately south of Norwalk and threatens several rural gravel roads.
- 17.00 ftRd closures are possible near creeks adjoining the river.
- 16.00 ftWater affects agricultural land.
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 August 28, 2026.
Crest history
88 crests on NOAA’s list since 1940.
| # | Date | Stage |
|---|---|---|
| 1 | June 17, 1990 | 25.33 ft |
| 2 | June 13, 1947 | 25.30 ft |
| 3 | September 11, 2014 | 25.04 ft |
| 4 | December 15, 2015 | 24.00 ft |
| 5 | June 13, 2008 | 23.91 ft |
| 6 | March 15, 2019 | 23.71 ft |
| 7 | May 11, 1996 | 23.62 ft |
| 8 | June 26, 2015 | 23.60 ft |
| 9 | August 31, 1993 | 23.40 ft |
| 10 | June 11, 2011 | 23.32 ft |
| 11 | June 10, 1974 | 23.25 ft |
| 12 | April 25, 1976 | 23.13 ft |
| 13 | May 26, 2004 | 23.05 ft |
| 14 | June 11, 1984 | 23.03 ft |
| 15 | March 18, 1965 | 22.86 ft |
| 16 | July 1, 1959 | 22.60 ft |
| 17 | June 15, 2010 | 22.50 ft |
| 18 | August 28, 1987 | 22.50 ft |
| 19 | June 16, 2013 | 22.45 ft |
| 20 | April 19, 1978 | 22.44 ft |
| 21 | February 21, 1971 | 22.40 ft |
| 22 | April 16, 2012 | 22.27 ft |
| 23 | April 17, 1973 | 22.23 ft |
| 24 | March 4, 1970 | 22.18 ft |
| 25 | May 14, 2005 | 22.16 ft |
Most recent crests
- July 11, 2025: 18.94 ft
- July 3, 2024: 16.53 ft
- April 21, 2023: 15.36 ft
- June 9, 2022: 18.48 ft
- July 11, 2021: 13.37 ft
- October 4, 2019: 20.88 ft
- March 15, 2019: 23.71 ft
- June 25, 2018: 17.67 ft
- March 31, 2017: 16.25 ft
- December 15, 2015: 24.00 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available.
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.