Indian Creek at State Line Rd., KS
River level and flood forecast · Johnson County
Normal10.3 ftas of Mon 2:30 PM
The river is 9.7 ft below flood stage (20 ft).
Flow: 40 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 | 27 ft |
| Moderate flood stage | 24 ft |
| Flood stage | 20 ft |
| Action stage | 17 ft |
| Record crest (August 22, 2017) | 28.26 ft |
What floods at each level
From the National Weather Service, highest first.
- 26 ftWater begins to affect commercial buildings near 104th Street just west of State Line Road.
- 25 ftWater begins to cover portions of State Line Road.
- 23 ftParking lot just west of State Line Road begins to flood.
- 20 ftWater begins to cover the portion of Lee Boulevard located south of Interstate 435.
Highest crests on record
- 28.26 ft — August 22, 2017
- 27.96 ft — July 27, 2017
- 26.3 ft — July 1, 2024
- 25.5 ft — June 14, 2010
- 25.22 ft — July 30, 2008
Recent crests: 20.32 ft (April 27, 2026) · 21.14 ft (April 24, 2026) · 20.59 ft (March 11, 2026) · 22.43 ft (July 21, 2025) · 23.56 ft (July 17, 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 (ICLK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.