Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap


This probabilistic forecast is issued by the North Central River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left off Inundation
tab right off tab left on tab right on
About this graph
Forecasts for the Iowa River at Iowa City are issued routinely during the warm season, and as needed at other times of the year.
Return to Area Map

Downstream Gauge Downstream Gauge - near Lone Tree (Tri-County Bridge)
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 26
Moderate Flood Stage: 24.5
Flood Stage: 23.5
Action Stage: 21
Low Stage (in feet): -9999

Historic Crests
(1) 31.53 ft on 06/15/2008
(2) 28.52 ft on 08/10/1993
(3) 25.15 ft on 07/12/2014
(4) 24.90 ft on 06/05/2013
(5) 24.10 ft on 06/01/1851
(6) 23.35 ft on 06/13/1991
(7) 23.23 ft on 10/06/2018
(8) 22.44 ft on 06/09/1974
(9) 22.04 ft on 05/01/1973
(10) 21.64 ft on 03/29/1979
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.23 ft on 10/06/2018
(2) 20.01 ft on 09/20/2018
(3) 17.47 ft on 04/06/2017
(4) 20.05 ft on 12/23/2015
(5) 18.09 ft on 06/13/2015
(6) 25.15 ft on 07/12/2014
(7) 24.90 ft on 06/05/2013
(8) 13.51 ft on 05/08/2012
(9) 18.08 ft on 02/22/2011
(10) 20.31 ft on 07/13/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
KML Image
Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
29 Serious flood damage occurs at the University of Iowa campus.
27 Flood protection becomes necessary at the University of Iowa. Water affects several industrial businesses and warehouses along Commercial Drive.
26.5 Normandy Drive residences are evacuated.
26 Major Flood Stage. Idylwild Road in Iowa City is affected. Areas of the University of Iowa campus are inundated with flood waters. Approaches to county road bridges along the river are flooded. Streets and parking lots along Commercial Drive are affected.
24.5 Moderate Flood Stage. Taft Speedway closes. Normandy Drive is affected by flood waters.
23.5 Flood Stage. Stevens Drive is inundated by flood waters. Sidewalks near Iowa Memorial Union on the University of Iowa campus are inundated. Izaak Walton Road and Sand Road are both flooded. Flood waters impact properties off Taft Speedway in Iowa City.
21 Taft Speedway by Terrill Mill Park Road closes due to flood waters. Crandic Park off of Rocky Shore Drive is flooded. Lower City Park floods and closes as water is over the roadway and trails.
19 Portions of trails in Lower City Park are closed due to flood waters.
17.5 Some low lying trails along the river become inundated and are closed to pedestrian use.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Iowa City Inundation Maps developed in partnership with the Iowa Flood Center
Iowa City Inundation Maps funded by the City of Iowa City
How low could the river get?
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Quad Cities Weather Forecast Office
9040 N Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Privacy Policy
About Us
Career Opportunities