Ninnescah River near Peck, KS
River level and flood forecast · Sumner County
Normal2.4 ftas of Mon 3 PM
The river is 14.6 ft below flood stage (17 ft).
Flow: 163 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 | 26 ft |
| Moderate flood stage | 21 ft |
| Flood stage | 17 ft |
| Action stage | 15 ft |
| Record crest (June 9, 1923) | 26.4 ft |
What floods at each level
From the National Weather Service, highest first.
- 26 ftFlood waters reach the river bridge. Widespread flooding of agricultural areas and county roads near the river can be expected. The homestead that is southwest of the river bridge may become inundated.
- 25 ftOverflows begin on the south bank with flooding of bottom lands and agricultural areas occurring. A homestead's utility buildings located near the upstream south bank by river bridge may become inundated.
- 21 ftThe north approach of the river bridge is flooded. Flood waters begin to spread to a width of 1 mile along the north bank.
- 18 ftWater flows over 103rd Street about 2 miles west of Clearwater. Flooding is about 2 feet deep in that area. South of Clearwater the river expands to about 1/2 mile on the south bank. Expect many county roads near the river to be flooded.
- 17 ftThe left bank overflows with minor low land flooding.
- 12 ftMinor low land ponding occurs at this level.
Highest crests on record
- 26.4 ft — June 9, 1923
- 22.99 ft — September 10, 2016
- 21.85000038147 ft — May 17, 1957
- 21.44 ft — November 1, 1998
- 21.33 ft — October 11, 1985
Recent crests: 20.95 ft (June 27, 2026) · 19.04 ft (June 22, 2026) · 18.19 ft (June 19, 2025) · 13.52 ft (June 8, 2025) · 14.63 ft (June 4, 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 (PECK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.