Willow Creek at Mason City US 18 Bus, IA
River level and flood forecast · Cerro Gordo County
Normal86.1 ftas of Mon 1:45 PM
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.
Highest crests on record
- 93.28 ft — June 8, 2008
- 92.25 ft — September 22, 2016
- 92.25 ft — June 9, 2018
- 92.21 ft — May 22, 2004
- 91.97 ft — June 16, 1984
Recent crests: 89.8 ft (June 20, 2025) · 89.83 ft (May 9, 2024) · 88.97 ft (May 14, 2023) · 89.67 ft (June 16, 2022) · 87.96 ft (August 28, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MWCI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.