Timber Creek near Marshalltown, IA
River level and flood forecast · Marshall County
Normal4.2 ftas of Mon 2 PM
The river is 9.8 ft below flood stage (14 ft).
Flow: 177 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
| Flood stage | 14 ft |
| Action stage | 12 ft |
| Record crest (May 21, 2024) | 18.07 ft |
Highest crests on record
- 18.07 ft — May 21, 2024
- 17.69 ft — August 16, 1977
- 17.57 ft — June 9, 1974
- 17.3 ft — June 15, 1982
- 17.11 ft — July 1, 2014
Recent crests: 16.83 ft (July 30, 2025) · 18.07 ft (May 21, 2024) · 11.78 ft (February 27, 2023) · 10.89 ft (April 22, 2022) · 7.76 ft (March 8, 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 (MTWI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.