River stage
Iola, Neosho River
- River level
- 8.93 ft
- Status
- Below flood stage
- 7-day change
- -0.09 ft
- Recent high
- 13.42 ft
- Recent low
- 6.92 ft
Last reported 2026-10-13 | NWS IOLK1
- 30-day change
- +1.71 ft
- Average
- 8.14 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 33.26 ft
In brief
The Neosho River at Iola, KS read 8.93 ft on Oct 13, 2026, 4.07 ft below action stage. That is 1.71 ft higher than 30 days earlier.
Source: National Weather Service gauge IOLK1
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 33.26 ft | 1951-07-13 |
| 2 | 26.90 ft | 2007-07-01 |
| 3 | 23.50 ft | 1926-09-13 |
| 4 | 22.65 ft | 1944-04-25 |
| 5 | 22.40 ft | 1945-04-18 |
| 6 | 22.10 ft | 1986-10-03 |
| 7 | 21.38 ft | 2019-05-26 |
| 8 | 21.20 ft | 1951-07-04 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 15.00 ft
Flooding occurs for about 1.5 miles over Dry Lake Corner on 1000 Street north of Highway 54.
- 17.00 ft
Flood waters cover West Bruner Street by Riverside Park.
- 19.00 ft
The gravel road below the low water dam on west side of river floods as well as agricultural fields.
- 19.50 ft
Flood 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.
- 21.00 ft
Flood waters reach the Cabins on west bank of river.
- 27.00 ft
The base of the Iola Water Power Plant begins to take on water. Expect flooding of some streets in Iola.
- 33.00 ft
Expect one third of the city of Iola to be inundated by 3 feet of flood waters.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Neosho River flooding at Iola?
No. The Neosho River at Iola is at 8.93 ft, 4.07 ft below action stage.
What is the flood stage at Iola?
The National Weather Service sets action stage 13 ft, minor flooding 15 ft, moderate flooding 21 ft and major flooding 27 ft.
What is the highest the Neosho River has been at Iola?
The highest crest on record is 33.26 ft, on 1951-07-13.
Is the Neosho River high or low right now at Iola?
At 8.93 ft it is higher than 75% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge IOLK1); daily history from the U.S. Geological Survey (site 07183000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.