Iowa River at Coralville Res Tail, IA
River level and flood forecast · Johnson County
Normal55.3 ftas of Mon 3 PM
Flow: 9,140 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.
Highest crests on record
- 68.09 ft — June 15, 2008
- 63.95 ft — July 19, 1993
- 60.51 ft — June 4, 2013
- 60.09 ft — July 5, 2014
- 57.23 ft — October 16, 2018
Recent crests: 57.23 ft (October 16, 2018) · 56.04 ft (September 19, 2018) · 54.47 ft (January 25, 2017) · 56.14 ft (December 23, 2015) · 56.11 ft (December 22, 2015)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CTWI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.