Slate Creek (KS) at Wellington, KS
River level and flood forecast · Sumner County
Normal4.0 ftas of Mon 3 PM
The river is 15.0 ft below flood stage (19 ft).
Flow: 6 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 | 23.5 ft |
| Moderate flood stage | 22 ft |
| Flood stage | 19 ft |
| Action stage | 17 ft |
| Record crest (May 8, 2019) | 26.06 ft |
What floods at each level
From the National Weather Service, highest first.
- 25.7 ftWater begins to flow across Highway 81 just to the north of the river bridge located south of town. Cropland and field flooding will be more expansive. The creek will swell to around 3/4 of a mile wide in areas. Slate Creek flood waters will pour over the Kansas Turnpike and inundate about a quarter mile of the road around 4 miles south of the Wellington exit.
- 23.5 ftExpect extensive cropland and field flooding along the creek.
- 20 ftFlood waters cover several low lying spots along Seneca Road between 40th and 60th Street just southeast of Wellington. Woods Park within the city floods. Slate Creek comes to roadway's edge at mile marker 15 on the the Kansas Turnpike.
- 19 ftFlood waters begin to over flow the banks. Minor low land flooding can be expected along the creek.
Highest crests on record
- 26.06 ft — May 8, 2019
- 25.82 ft — June 17, 1975
- 24.79 ft — June 21, 2026
- 24.56 ft — June 26, 2026
- 24.44 ft — June 18, 2025
Recent crests: 24.56 ft (June 26, 2026) · 24.79 ft (June 21, 2026) · 18.59 ft (June 19, 2026) · 21.86 ft (September 23, 2025) · 21.43 ft (August 28, 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 (WELK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.