River Conditions
Illustrated map of Wilson Lake

River stage

Oswego, Neosho River

River level
12.97 ft
Status
Below flood stage
Action stage
23.00 ft
Flood stage
28.00 ft
Record crest
34.70 ft

Last reported 2026-10-13 | NWS NSOK1

Record crest
34.70 ft
Flood stage
28.00 ft
Moderate flood
30.00 ft
Major flood
33.50 ft
Crest date
2019-05-29

In brief

The Neosho River at Oswego, KS read 12.97 ft on Oct 13, 2026, 10.03 ft below action stage.

Source: National Weather Service gauge NSOK1

Stage threshold profile

Action stage 23.00 ftMinor flooding 28.00 ftModerate flooding 30.00 ftMajor flooding 33.50 ft CURRENT 12.97 ft

Highest crests on record

RankCrestDate
1 34.70 ft 2019-05-29
2 33.26 ft 2017-05-01
3 31.80 ft 2021-06-30
4 31.72 ft 2022-05-06
5 31.52 ft 2018-10-13
6 31.32 ft 2019-05-02
7 31.30 ft 2013-06-01
8 31.22 ft 2012-05-02

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 20.00 ft

    Flooding affects low lying areas near the river over southwest Cherokee County near and along 120th Street and 110th Street from south of Highway 160 to the Craig County Oklahoma line.

  2. 30.00 ft

    Homes in low lying areas near the river flood. Water reaches up to two feet in depth along 110st Street and 120th Street.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Neosho River flooding at Oswego?

No. The Neosho River at Oswego is at 12.97 ft, 10.03 ft below action stage.

What is the flood stage at Oswego?

The National Weather Service sets action stage 23 ft, minor flooding 28 ft, moderate flooding 30 ft and major flooding 33.5 ft.

What is the highest the Neosho River has been at Oswego?

The highest crest on record is 34.7 ft, on 2019-05-29.

Stage and flood information from the NOAA National Weather Service (gauge NSOK1). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.