Tomahawk Creek at Roe Avenue, KS
River level and flood forecast · Johnson County
Normal2.2 ftas of Mon 2:15 PM
The river is 10.8 ft below flood stage (13 ft).
Flow: 5 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 | 20 ft |
| Moderate flood stage | 18 ft |
| Flood stage | 13 ft |
| Action stage | 10 ft |
| Record crest (July 27, 2017) | 20.81 ft |
What floods at each level
From the National Weather Service, highest first.
- 19 ftFlood waters approach 119th Street.
- 18 ftFlooding begins to affect several homes along the creek's north bank, just upstream of the gage site.
- 13 ftWater approaches the northbound lane of Tomahawk Creek Parkway.
Highest crests on record
- 20.81 ft — July 27, 2017
- 19.4 ft — July 30, 2008
- 18.92 ft — June 14, 2010
- 18.64 ft — August 22, 2017
- 18.18 ft — May 31, 2013
Recent crests: 15.14 ft (March 11, 2026) · 14.85 ft (July 21, 2025) · 13.06 ft (July 17, 2025) · 16.08 ft (July 4, 2024) · 17.69 ft (July 1, 2024)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TCRK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.