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Hydrograph River at a Glance Download
Iowa River at Oakville Stage (ft)Observed: 9.92 ft at 2:00PM May 15, 2024Observed: 9.89 ft at 2:15PM May 15, 2024Observed: 9.89 ft at 2:30PM May 15, 2024Observed: 9.92 ft at 2:45PM May 15, 2024Observed: 9.87 ft at 3:00PM May 15, 2024Observed: 9.91 ft at 3:15PM May 15, 2024Observed: 9.9 ft at 3:30PM May 15, 2024Observed: 9.91 ft at 3:45PM May 15, 2024Observed: 9.9 ft at 4:00PM May 15, 2024Observed: 9.93 ft at 4:15PM May 15, 2024Observed: 9.9 ft at 4:30PM May 15, 2024Observed: 9.9 ft at 4:45PM May 15, 2024Observed: 9.93 ft at 5:00PM May 15, 2024Observed: 9.91 ft at 5:15PM May 15, 2024Observed: 9.92 ft at 5:30PM May 15, 2024Observed: 9.83 ft at 5:45PM May 15, 2024Observed: 9.91 ft at 6:00PM May 15, 2024Observed: 9.93 ft at 6:15PM May 15, 2024Highest Observation: 9.95 ft at 6:30PM May 15, 2024Observed: 9.94 ft at 6:45PM May 15, 2024Observed: 9.94 ft at 7:00PM May 15, 2024Observed: 9.91 ft at 7:15PM May 15, 2024Observed: 9.92 ft at 7:30PM May 15, 2024Observed: 9.88 ft at 7:45PM May 15, 2024Observed: 9.92 ft at 8:00PM May 15, 2024Observed: 9.92 ft at 8:15PM May 15, 2024Observed: 9.93 ft at 8:30PM May 15, 2024Observed: 9.9 ft at 8:45PM May 15, 2024Observed: 9.92 ft at 9:00PM May 15, 2024Observed: 9.9 ft at 9:15PM May 15, 2024Observed: 9.93 ft at 9:30PM May 15, 2024Observed: 9.91 ft at 9:45PM May 15, 2024Observed: 9.91 ft at 10:00PM May 15, 2024Observed: 9.9 ft at 10:15PM May 15, 2024Observed: 9.9 ft at 10:30PM May 15, 2024Observed: 9.89 ft at 10:45PM May 15, 2024Observed: 9.93 ft at 11:00PM May 15, 2024Observed: 9.89 ft at 11:15PM May 15, 2024Observed: 9.91 ft at 11:30PM May 15, 2024Observed: 9.89 ft at 11:45PM May 15, 2024Observed: 9.93 ft at 12:00AM May 16, 2024Observed: 9.92 ft at 12:15AM May 16, 2024Observed: 9.9 ft at 12:30AM May 16, 2024Observed: 9.88 ft at 12:45AM May 16, 2024Observed: 9.88 ft at 1:00AM May 16, 2024Observed: 9.92 ft at 1:15AM May 16, 2024Observed: 9.92 ft at 1:30AM May 16, 2024Observed: 9.9 ft at 1:45AM May 16, 2024Observed: 9.9 ft at 2:00AM May 16, 2024Observed: 9.9 ft at 2:15AM May 16, 2024Observed: 9.89 ft at 2:30AM May 16, 2024Observed: 9.85 ft at 2:45AM May 16, 2024Observed: 9.88 ft at 3:00AM May 16, 2024Observed: 9.89 ft at 3:15AM May 16, 2024Observed: 9.88 ft at 3:30AM May 16, 2024Observed: 9.89 ft at 3:45AM May 16, 2024Observed: 9.91 ft at 4:00AM May 16, 2024Observed: 9.87 ft at 4:15AM May 16, 2024Observed: 9.89 ft at 4:30AM May 16, 2024Observed: 9.92 ft at 4:45AM May 16, 2024Observed: 9.9 ft at 5:00AM May 16, 2024Observed: 9.85 ft at 5:15AM May 16, 2024Observed: 9.92 ft at 5:30AM May 16, 2024Observed: 9.89 ft at 5:45AM May 16, 2024Observed: 9.89 ft at 6:00AM May 16, 2024Observed: 9.88 ft at 6:15AM May 16, 2024Highest Observation: 9.95 ft at 6:30AM May 16, 2024Observed: 9.88 ft at 6:45AM May 16, 2024Observed: 9.89 ft at 7:00AM May 16, 2024Observed: 9.89 ft at 7:15AM May 16, 2024Observed: 9.87 ft at 7:30AM May 16, 2024Observed: 9.91 ft at 7:45AM May 16, 2024Observed: 9.91 ft at 8:00AM May 16, 2024Observed: 9.88 ft at 8:15AM May 16, 2024Observed: 9.87 ft at 8:30AM May 16, 2024Observed: 9.88 ft at 8:45AM May 16, 2024Observed: 9.9 ft at 9:00AM May 16, 2024Observed: 9.93 ft at 9:15AM May 16, 2024Observed: 9.86 ft at 9:30AM May 16, 2024Observed: 9.87 ft at 9:45AM May 16, 2024Observed: 9.88 ft at 10:00AM May 16, 2024Observed: 9.85 ft at 10:15AM May 16, 2024Observed: 9.89 ft at 10:30AM May 16, 2024Observed: 9.88 ft at 10:45AM May 16, 2024Observed: 9.83 ft at 11:00AM May 16, 2024Observed: 9.88 ft at 11:15AM May 16, 2024Observed: 9.85 ft at 11:30AM May 16, 2024Observed: 9.87 ft at 11:45AM May 16, 2024Observed: 9.82 ft at 12:00PM May 16, 2024Observed: 9.86 ft at 12:15PM May 16, 2024Observed: 9.8 ft at 12:30PM May 16, 2024Observed: 9.8 ft at 12:45PM May 16, 2024Observed: 9.84 ft at 1:00PM May 16, 2024Observed: 9.81 ft at 1:15PM May 16, 2024Observed: 9.82 ft at 1:30PM May 16, 2024Observed: 9.86 ft at 1:45PM May 16, 2024Observed: 9.86 ft at 2:00PM May 16, 2024Observed: 9.85 ft at 2:15PM May 16, 2024Observed: 9.85 ft at 2:30PM May 16, 2024Observed: 9.83 ft at 2:45PM May 16, 2024Observed: 9.77 ft at 3:00PM May 16, 2024Observed: 9.79 ft at 3:15PM May 16, 2024Observed: 9.59 ft at 3:30PM May 16, 2024Observed: 9.71 ft at 3:45PM May 16, 2024Observed: 9.83 ft at 4:00PM May 16, 2024Observed: 9.82 ft at 4:15PM May 16, 2024Observed: 9.8 ft at 4:30PM May 16, 2024Observed: 9.78 ft at 4:45PM May 16, 2024Observed: 9.77 ft at 5:00PM May 16, 2024Observed: 9.79 ft at 5:15PM May 16, 2024Observed: 9.78 ft at 5:30PM May 16, 2024Observed: 9.76 ft at 5:45PM May 16, 2024Observed: 9.78 ft at 6:00PM May 16, 2024Observed: 9.79 ft at 6:15PM May 16, 2024Observed: 9.77 ft at 6:30PM May 16, 2024Observed: 9.79 ft at 6:45PM May 16, 2024Observed: 9.74 ft at 7:00PM May 16, 2024Observed: 9.8 ft at 7:15PM May 16, 2024Observed: 9.74 ft at 7:30PM May 16, 2024Observed: 9.75 ft at 7:45PM May 16, 2024Observed: 9.79 ft at 8:00PM May 16, 2024Observed: 9.75 ft at 8:15PM May 16, 2024Observed: 9.73 ft at 8:30PM May 16, 2024Observed: 9.76 ft at 8:45PM May 16, 2024Observed: 9.73 ft at 9:00PM May 16, 2024Observed: 9.73 ft at 9:15PM May 16, 2024Observed: 9.71 ft at 9:30PM May 16, 2024Observed: 9.72 ft at 9:45PM May 16, 2024Observed: 9.73 ft at 10:00PM May 16, 2024Observed: 9.71 ft at 10:15PM May 16, 2024Observed: 9.71 ft at 10:30PM May 16, 2024Observed: 9.69 ft at 10:45PM May 16, 2024Observed: 9.71 ft at 11:00PM May 16, 2024Observed: 9.65 ft at 11:15PM May 16, 2024Observed: 9.64 ft at 11:30PM May 16, 2024Observed: 9.66 ft at 11:45PM May 16, 2024Observed: 9.67 ft at 12:00AM May 17, 2024Observed: 9.66 ft at 12:15AM May 17, 2024Observed: 9.63 ft at 12:30AM May 17, 2024Observed: 9.62 ft at 12:45AM May 17, 2024Observed: 9.59 ft at 1:00AM May 17, 2024Observed: 9.58 ft at 1:15AM May 17, 2024Observed: 9.59 ft at 1:30AM May 17, 2024Observed: 9.63 ft at 1:45AM May 17, 2024Observed: 9.6 ft at 2:00AM May 17, 2024Observed: 9.57 ft at 2:15AM May 17, 2024Observed: 9.57 ft at 2:30AM May 17, 2024Observed: 9.56 ft at 2:45AM May 17, 2024Observed: 9.56 ft at 3:00AM May 17, 2024Observed: 9.5 ft at 3:15AM May 17, 2024Observed: 9.54 ft at 3:30AM May 17, 2024Observed: 9.55 ft at 3:45AM May 17, 2024Observed: 9.51 ft at 4:00AM May 17, 2024Observed: 9.52 ft at 4:15AM May 17, 2024Observed: 9.44 ft at 4:30AM May 17, 2024Observed: 9.46 ft at 4:45AM May 17, 2024Observed: 9.47 ft at 5:00AM May 17, 2024Observed: 9.43 ft at 5:15AM May 17, 2024Observed: 9.44 ft at 5:30AM May 17, 2024Observed: 9.41 ft at 5:45AM May 17, 2024Observed: 9.45 ft at 6:00AM May 17, 2024Observed: 9.37 ft at 6:15AM May 17, 2024Observed: 9.45 ft at 6:30AM May 17, 2024Observed: 9.42 ft at 6:45AM May 17, 2024Observed: 9.41 ft at 7:00AM May 17, 2024Observed: 9.42 ft at 7:15AM May 17, 2024Observed: 9.37 ft at 7:30AM May 17, 2024Observed: 9.34 ft at 7:45AM May 17, 2024Observed: 9.35 ft at 8:00AM May 17, 2024Observed: 9.38 ft at 8:15AM May 17, 2024Observed: 9.35 ft at 8:30AM May 17, 2024Observed: 9.34 ft at 8:45AM May 17, 2024Observed: 9.36 ft at 9:00AM May 17, 2024Observed: 9.35 ft at 9:15AM May 17, 2024Observed: 9.3 ft at 9:30AM May 17, 2024Observed: 9.32 ft at 9:45AM May 17, 2024Observed: 9.3 ft at 10:00AM May 17, 2024Observed: 9.28 ft at 10:15AM May 17, 2024Observed: 9.27 ft at 10:30AM May 17, 2024Observed: 9.28 ft at 10:45AM May 17, 2024Observed: 9.29 ft at 11:00AM May 17, 2024Observed: 9.3 ft at 11:15AM May 17, 2024Observed: 9.28 ft at 11:30AM May 17, 2024Observed: 9.25 ft at 11:45AM May 17, 2024Observed: 9.26 ft at 12:00PM May 17, 2024Observed: 9.22 ft at 12:15PM May 17, 2024Observed: 9.21 ft at 12:30PM May 17, 2024Observed: 9.22 ft at 12:45PM May 17, 2024Observed: 9.2 ft at 1:00PM May 17, 2024Observed: 9.19 ft at 1:15PM May 17, 2024Observed: 9.18 ft at 1:30PM May 17, 2024Observed: 9.19 ft at 1:45PM May 17, 2024Observed: 9.16 ft at 2:00PM May 17, 2024Observed: 9.16 ft at 2:15PM May 17, 2024Observed: 9.15 ft at 2:30PM May 17, 2024Observed: 9.12 ft at 2:45PM May 17, 2024Observed: 9.13 ft at 3:00PM May 17, 2024Observed: 9.11 ft at 3:15PM May 17, 2024Observed: 9.1 ft at 3:30PM May 17, 2024Observed: 9.09 ft at 3:45PM May 17, 2024Observed: 9.05 ft at 4:00PM May 17, 2024Observed: 9.05 ft at 4:15PM May 17, 2024Observed: 9.06 ft at 4:30PM May 17, 2024Observed: 9.08 ft at 4:45PM May 17, 2024Observed: 9.05 ft at 5:00PM May 17, 2024Observed: 8.99 ft at 5:15PM May 17, 2024Observed: 8.98 ft at 5:30PM May 17, 2024Observed: 9.01 ft at 5:45PM May 17, 2024Observed: 9.01 ft at 6:00PM May 17, 2024Observed: 9 ft at 6:15PM May 17, 2024Observed: 8.98 ft at 6:30PM May 17, 2024Observed: 8.97 ft at 6:45PM May 17, 2024Observed: 8.97 ft at 7:00PM May 17, 2024Observed: 8.96 ft at 7:15PM May 17, 2024Observed: 8.93 ft at 7:30PM May 17, 2024Observed: 8.92 ft at 7:45PM May 17, 2024Observed: 8.91 ft at 8:00PM May 17, 2024Observed: 8.9 ft at 8:15PM May 17, 2024Observed: 8.89 ft at 8:30PM May 17, 2024Observed: 8.89 ft at 8:45PM May 17, 2024Observed: 8.86 ft at 9:00PM May 17, 2024Observed: 8.87 ft at 9:15PM May 17, 2024Observed: 8.84 ft at 9:30PM May 17, 2024Observed: 8.84 ft at 9:45PM May 17, 2024Observed: 8.8 ft at 10:00PM May 17, 2024Observed: 8.84 ft at 10:15PM May 17, 2024Observed: 8.82 ft at 10:30PM May 17, 2024Observed: 8.78 ft at 10:45PM May 17, 2024Observed: 8.79 ft at 11:00PM May 17, 2024Observed: 8.77 ft at 11:15PM May 17, 2024Observed: 8.78 ft at 11:30PM May 17, 2024Observed: 8.78 ft at 11:45PM May 17, 2024Observed: 8.76 ft at 12:00AM May 18, 2024Observed: 8.76 ft at 12:15AM May 18, 2024Observed: 8.71 ft at 12:30AM May 18, 2024Observed: 8.74 ft at 12:45AM May 18, 2024Observed: 8.72 ft at 1:00AM May 18, 2024Observed: 8.72 ft at 1:15AM May 18, 2024Observed: 8.71 ft at 1:30AM May 18, 2024Observed: 8.67 ft at 1:45AM May 18, 2024Observed: 8.69 ft at 2:00AM May 18, 2024Observed: 8.7 ft at 2:15AM May 18, 2024Observed: 8.68 ft at 2:30AM May 18, 2024Observed: 8.67 ft at 2:45AM May 18, 2024Observed: 8.66 ft at 3:00AM May 18, 2024Observed: 8.63 ft at 3:15AM May 18, 2024Observed: 8.66 ft at 3:30AM May 18, 2024Observed: 8.65 ft at 3:45AM May 18, 2024Observed: 8.62 ft at 4:00AM May 18, 2024Observed: 8.57 ft at 4:15AM May 18, 2024Observed: 8.59 ft at 4:30AM May 18, 2024Observed: 8.6 ft at 4:45AM May 18, 2024Observed: 8.58 ft at 5:00AM May 18, 2024Observed: 8.56 ft at 5:15AM May 18, 2024Observed: 8.57 ft at 5:30AM May 18, 2024Observed: 8.54 ft at 5:45AM May 18, 2024Observed: 8.53 ft at 6:00AM May 18, 2024Observed: 8.56 ft at 6:15AM May 18, 2024Observed: 8.56 ft at 6:30AM May 18, 2024Observed: 8.52 ft at 6:45AM May 18, 2024Observed: 8.47 ft at 7:00AM May 18, 2024Observed: 8.49 ft at 7:15AM May 18, 2024Observed: 8.5 ft at 7:30AM May 18, 2024Observed: 8.5 ft at 7:45AM May 18, 2024Observed: 8.48 ft at 8:00AM May 18, 2024Observed: 8.44 ft at 8:15AM May 18, 2024Observed: 8.46 ft at 8:30AM May 18, 2024Observed: 8.45 ft at 8:45AM May 18, 2024Observed: 8.43 ft at 9:00AM May 18, 2024Observed: 8.43 ft at 9:15AM May 18, 2024Observed: 8.43 ft at 9:30AM May 18, 2024Observed: 8.41 ft at 9:45AM May 18, 2024Observed: 8.43 ft at 10:00AM May 18, 2024Observed: 8.4 ft at 10:15AM May 18, 2024Observed: 8.39 ft at 10:30AM May 18, 2024Observed: 8.35 ft at 10:45AM May 18, 2024Observed: 8.39 ft at 11:00AM May 18, 2024Observed: 8.36 ft at 11:15AM May 18, 2024Observed: 8.37 ft at 11:30AM May 18, 2024Observed: 8.34 ft at 11:45AM May 18, 2024Observed: 8.34 ft at 12:00PM May 18, 2024Observed: 8.32 ft at 12:15PM May 18, 2024Observed: 8.28 ft at 12:30PM May 18, 2024Observed: 8.29 ft at 12:45PM May 18, 2024Observed: 8.27 ft at 1:00PM May 18, 2024Highest Forecast: 8.1 ft 7:00PM May 18, 2024Forecast: 7.9 ft 1:00AM May 19, 2024Forecast: 7.6 ft 7:00AM May 19, 2024Forecast: 7.3 ft 1:00PM May 19, 2024Forecast: 7.1 ft 7:00PM May 19, 2024Forecast: 6.9 ft 1:00AM May 20, 2024Forecast: 6.7 ft 7:00AM May 20, 2024Forecast: 6.5 ft 1:00PM May 20, 2024Forecast: 6.4 ft 7:00PM May 20, 2024Forecast: 6.3 ft 1:00AM May 21, 2024Forecast: 6.2 ft 7:00AM May 21, 2024Forecast: 6.1 ft 1:00PM May 21, 2024Forecast: 6 ft 7:00PM May 21, 2024Forecast: 5.9 ft 1:00AM May 22, 2024Forecast: 5.8 ft 7:00AM May 22, 2024Forecast: 5.8 ft 1:00PM May 22, 2024Forecast: 5.7 ft 7:00PM May 22, 2024Forecast: 5.6 ft 1:00AM May 23, 2024Forecast: 5.5 ft 7:00AM May 23, 2024Forecast: 5.5 ft 1:00PM May 23, 2024Forecast: 5.4 ft 7:00PM May 23, 2024Forecast: 5.3 ft 1:00AM May 24, 2024Forecast: 5.3 ft 7:00AM May 24, 2024Forecast: 5.2 ft 1:00PM May 24, 2024Forecast: 5.1 ft 7:00PM May 24, 2024Forecast: 5.1 ft 1:00AM May 25, 2024Forecast: 5 ft 7:00AM May 25, 2024USGS--Water Resources of the United StatesOKVI4(plotting HGIRG) Graph Created (1:48PM May 18, 2024)ObservedForecast (issued 9:40AM May 18)Latest observed value: 8.27 ft at 1:00 PM CDT 18-May-2024. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Iowa River at Oakville are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - at Wapello Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 15
Flood Stage: 11
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 23.22 ft on 06/14/2008
(2) 19.22 ft on 07/04/2014
(3) 17.57 ft on 06/01/2019
(4) 17.26 ft on 05/31/2019
(5) 17.26 ft on 04/20/2013
(6) 16.27 ft on 09/30/2016
(7) 15.13 ft on 09/09/2018
(8) 13.90 ft on 02/18/2011
(9) 13.70 ft on 06/29/2020
(10) 13.61 ft on 03/20/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.70 ft on 06/29/2020
(2) 17.57 ft on 06/01/2019
(3) 17.26 ft on 05/31/2019
(4) 15.13 ft on 09/09/2018
(5) 9.74 ft on 04/07/2017
(6) 16.27 ft on 09/30/2016
(7) 10.64 ft on 06/17/2015
(8) 11.05 ft on 03/11/2015
(9) 19.22 ft on 07/04/2014
(10) 17.26 ft on 04/20/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
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
20 Major Flood Stage. Water nears the top of the levee in Oakville.
15 Moderate Flood Stage. Water affects the south approach to the Iowa Highway 99 bridge near Oakville.
12 Flooding of agricultural land is ongoing. Several county roads are under water and closed.
11.5 River Road is under water and the water is a few feet up onto the levee.
11 Flood Stage. Flood waters begin to impact agricultural land.
10 Low lying areas begin taking on water.
About This Location Collapse

Latitude: 41.103194° N, Longitude: 91.063528° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 535.641 546.641 Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other N/A N/A  

Current/Historical Observations:
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Hydrologic Resources Additional Resources
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
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