Yellow River near Ion, IA
River level and flood forecast · Allamakee County
Normal6.3 ftas of Mon 2:45 PM
The river is 6.7 ft below flood stage (13 ft).
Flow: 239 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 | 17 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 13 ft |
| Action stage | 10 ft |
| Record crest (February 10, 2009) | 17.11 ft |
Highest crests on record
- 17.11 ft — February 10, 2009
- 16.03 ft — June 9, 2008
- 15.2 ft — May 29, 1941
- 14.97 ft — April 26, 2008
- 14.64 ft — August 20, 2007
Recent crests: 13.71 ft (September 23, 2016) · 14.01 ft (August 25, 2016) · 10.91 ft (March 23, 2010) · 17.11 ft (February 10, 2009) · 16.03 ft (June 9, 2008)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (YRII4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.