South Fork Iowa River near Blairsburg, IA
River level and flood forecast · Hamilton County
Normal5.3 ftas of Mon 2 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
- 13.88 ft — March 13, 2019
- 12.56 ft — March 12, 2010
- 12.5 ft — June 8, 2008
- 12.42 ft — March 14, 2010
- 11.79 ft — March 12, 2007
Recent crests: 9.62 ft (June 26, 2025) · 8.77 ft (May 21, 2024) · 8.84 ft (March 1, 2023) · 7.7 ft (June 15, 2022) · 6.24 ft (May 21, 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 (BLII4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.