Rivers in Kansas
Neosho River at Iola
Below flood stage
7.73ftStage
Observed Tue, Sep 22, 2:30 PM CDT
- Flood stage
- 15.00 ft
- Forecast crest
- 7.70 ftTue, Sep 22, 7:00 PM CDT
- Record crest
- 33.26 ft1951
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 27.00 ft |
| Moderate flood | 21.00 ft |
| Minor flood | 15.00 ft |
| Action | 13.00 ft |
- 33.00 ftExpect one third of the city of Iola to be inundated by 3 feet of flood waters.
- 27.00 ftThe base of the Iola Water Power Plant begins to take on water. Expect flooding of some streets in Iola.
- 21.00 ftFlood waters reach the Cabins on west bank of river.
- 19.50 ftFlood waters flow over 1300 Street, just north of Elm Creek, and over low lying fields next to the Water Plant. Expect west bank overflows north of gage site.
- 19.00 ftThe gravel road below the low water dam on west side of river floods as well as agricultural fields.
- 17.00 ftFlood waters cover West Bruner Street by Riverside Park.
- 15.00 ftFlooding occurs for about 1.5 miles over Dry Lake Corner on 1000 Street north of Highway 54.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 26% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.
Crest history
82 crests on NOAA’s list since 1926.
| # | Date | Stage |
|---|---|---|
| 1 | July 13, 1951 | 33.26 ft |
| 2 | July 1, 2007 | 26.90 ft |
| 3 | September 13, 1926 | 23.50 ft |
| 4 | April 25, 1944 | 22.65 ft |
| 5 | April 18, 1945 | 22.40 ft |
| 6 | October 3, 1986 | 22.10 ft |
| 7 | May 26, 2019 | 21.38 ft |
| 8 | July 4, 1951 | 21.20 ft |
| 9 | September 15, 1961 | 21.15 ft |
| 10 | December 8, 1944 | 21.10 ft |
| 11 | November 30, 1928 | 21.00 ft |
| 12 | May 19, 1943 | 20.70 ft |
| 13 | May 22, 2019 | 20.56 ft |
| 14 | September 6, 1941 | 20.50 ft |
| 15 | May 24, 1938 | 20.50 ft |
| 16 | April 19, 1927 | 20.40 ft |
| 17 | October 26, 1941 | 20.00 ft |
| 18 | April 28, 2024 | 19.91 ft |
| 19 | June 10, 1995 | 19.90 ft |
| 20 | October 10, 2018 | 19.90 ft |
| 21 | April 28, 1994 | 19.80 ft |
| 22 | September 10, 2009 | 19.54 ft |
| 23 | May 27, 1961 | 19.50 ft |
| 24 | March 5, 2004 | 19.40 ft |
| 25 | April 2, 1988 | 19.30 ft |
Most recent crests
- June 26, 2026: 14.38 ft
- June 10, 2026: 14.59 ft
- June 18, 2025: 13.04 ft
- June 4, 2025: 18.69 ft
- June 10, 2024: 15.63 ft
- April 28, 2024: 19.91 ft
- March 12, 2023: 8.71 ft
- May 6, 2022: 16.37 ft
- July 16, 2021: 12.97 ft
- June 26, 2021: 15.48 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Arkansas-Red Basin RFC. Forecasts are issued routinely year-round. River forecasts for this location take into account past and future precipitation. Forecast stages may be different if forecast future rainfall does not occur. Stage may be affected by ice during winter months.
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.