Chikaskia River near Corbin, KS
River level and flood forecast · Sumner County
Normal2.2 ftas of Mon 2:30 PM
The river is 7.8 ft below flood stage (10 ft).
Flow: 68 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 28 ft |
| Moderate flood stage | 19 ft |
| Flood stage | 10 ft |
| Action stage | 8 ft |
| Record crest (June 9, 1923) | 28 ft |
What floods at each level
From the National Weather Service, highest first.
- 29.85 ftThe Highway 49 River Bridge at gaging site would begin to take on water.
- 28 ftMajor and widespread flooding is anticipated over farmland. A section of Highway 49 north of the river gage site may begin to take on water. Flood waters begin to encroach on homestead grounds northeast of the gage site.
- 19 ftWidespread flooding of low-lying areas and agricultural areas can be expected especially downstream.
- 13 ftLeft bank overflows extend out to about 100 yards. A low water bridge on South Sumner Road, 3 miles downstream from gage site or 2 miles southwest of Corbin, floods.
- 10 ftFlooding of low-lying areas can be expected, especially along the right bank.
- 7 ftThe left bank overflow begins with no serious flooding.
Highest crests on record
- 28 ft — June 9, 1923
- 22.9 ft — November 1, 1998
- 22.75 ft — October 11, 1985
- 22.60000038147 ft — October 10, 1985
- 22.5 ft — May 17, 1951
Recent crests: 16.36 ft (June 26, 2026) · 11.65 ft (June 25, 2026) · 13.92 ft (June 23, 2026) · 15.34 ft (June 21, 2026) · 10.4 ft (September 23, 2025)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CBNK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.