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 on tab right on
Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey
About this graph
Forecasts for the Iowa River at Wapello are issued routinely during the warm season, and as needed at other times of the year.
Return to Area Map

Upstream Gauge - at Columbus Jct Upstream Gauge Downstream Gauge Downstream Gauge - at Oakville
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 27.5
Moderate Flood Stage: 25
Flood Stage: 21
Action Stage: 18.5
Low Stage (in feet): -9999

Historic Crests
(1) 32.15 ft on 06/14/2008
(2) 30.18 ft on 07/03/2014
(3) 29.53 ft on 07/07/1993
(4) 28.91 ft on 06/19/1990
(5) 28.63 ft on 04/22/1973
(6) 28.15 ft on 04/20/2013
(7) 28.12 ft on 05/19/1974
(8) 28.10 ft on 07/08/1993
(9) 27.21 ft on 05/31/2019 (P)
(10) 27.20 ft on 09/30/2016
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.03 ft on 06/28/2020 (P)
(2) 27.21 ft on 05/31/2019 (P)
(3) 21.49 ft on 05/21/2019 (P)
(4) 26.47 ft on 03/21/2019 (P)
(5) 26.78 ft on 10/11/2018 (P)
(6) 25.81 ft on 09/08/2018 (P)
(7) 19.89 ft on 04/08/2017
(8) 27.20 ft on 09/30/2016
(9) 20.76 ft on 06/17/2015
(10) 30.18 ft on 07/03/2014
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
42 Water overtops the Wapello levee system which extends 3.5 to 5.0 mi downstream from the city.
41 Water is at the bottom of the U.S. Highway 61 bridge.
38 Water is at the bottom of the Iowa Highway 99 bridge at Wapello.
32 Water affects unprotected areas of Wapello.
27.5 Major Flood Stage. Water affects U.S. Highway 61 north of Wapello.
25 Moderate Flood Stage. Widespread flooding of agricultural land. Numerous secondary roads are under water.
22 Water affects residences near the U.S. Highway 61 bridge.
21 Minor Flood Stage. Agricultural land near the river is flooded and water covers most islands. Water starts rising onto secondary roads in Wapello Bottoms.
20 Low lying areas begin taking on water.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
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