Rivers in Kansas

Neosho River at Neosho Rapids

Lyon County, KansasNWS NEOK1USGS 07182390Topeka office

Below flood stage
3.10ftStage

Observed Wed, Sep 23, 1:30 PM CDT

Flood stage
22.00 ft
Record crest
34.30 ft1951

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood44.00 ft
Moderate flood23.00 ft
Minor flood22.00 ft
Action17.00 ft
  1. 37.00 ftHomes on South Street are threatened by flood waters.
  2. 31.00 ftSouth Street near the river floods.
  3. 26.00 ftWater covers large areas over both banks.
  4. 23.00 ftWater overtops Road 145 on the west side of the bridge over the Neosho River.
  5. 22.00 ftLow lying areas along the river flood.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding33%
Moderate flooding29%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.

Crest history

137 crests on NOAA’s list since 1904.

#DateStage
1July 11, 195134.30 ft
2November 2, 199831.15 ft
3June 21, 194829.92 ft
4October 11, 198529.01 ft
5November 23, 194428.20 ft
6October 21, 194128.11 ft
7October 3, 197328.07 ft
8July 6, 193228.00 ft
9April 16, 194528.00 ft
10May 23, 196127.90 ft
11December 6, 194427.60 ft
12July 1, 195127.57 ft
13September 28, 197327.54 ft
14July 11, 190927.40 ft
15July 7, 190427.40 ft
16November 18, 192827.30 ft
17May 9, 201927.11 ft
18June 11, 192326.80 ft
19June 28, 196926.76 ft
20June 14, 200526.75 ft
21May 14, 200526.66 ft
22June 10, 196526.54 ft
23June 6, 196526.52 ft
24June 20, 194626.46 ft
25September 5, 195126.40 ft

Most recent crests

  • June 5, 2025: 26.11 ft
  • May 28, 2025: 23.13 ft
  • February 28, 2023: 10.55 ft
  • June 8, 2022: 23.23 ft
  • June 2, 2022: 23.26 ft
  • May 19, 2022: 22.15 ft
  • May 7, 2022: 22.27 ft
  • May 17, 2021: 23.46 ft
  • May 16, 2020: 23.20 ft
  • July 9, 2019: 22.51 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Arkansas-Red Basin RFC. 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. 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.