Verdigris River at Altoona, KS
River level and flood forecast · Wilson County
Normal4.6 ftas of Mon 2:45 PM
The river is 14.4 ft below flood stage (19 ft).
Flow: 652 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 | 19 ft |
| Action stage | 15 ft |
| Record crest (July 1, 2007) | 24.58 ft |
What floods at each level
From the National Weather Service, highest first.
- 26 ftExtensive flooding along both banks of the river with water reaching the ground floor of the Altoona Water Plant.
- 21 ftFlood waters begin to threaten outlining facilities of the city's water plant. Water Plant's clearwell may become flooded.
- 19 ftExpect flooding of agricultural fields and gravel road near the river bridge off of Highway 47.
- 15 ftExpect overflows on the west bank.
- 14 ftExpect overflows on the east bank.
Highest crests on record
- 24.58 ft — July 1, 2007
- 21.93 ft — May 26, 2019
- 20.62 ft — May 22, 2019
- 20.57 ft — October 8, 2016
- 20.32 ft — April 28, 2024
Recent crests: 17.93 ft (June 27, 2026) · 17.93 ft (April 18, 2026) · 14.27 ft (June 8, 2025) · 12.28 ft (June 4, 2025) · 20.32 ft (April 28, 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 (ATOK1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.