National Weather Service Advanced Hydrologic Prediction Service

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This probabilistic forecast is issued by the North Central River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental) Not Available

About this graph

Forecasts for the Iowa River near Lone Tree (Tri-County Bridge) are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Upstream Gauge

Downstream Gauge

Zoom Level:16

Flood Categories (in feet)

Major Flood Stage:	22
Moderate Flood Stage:	18.5
Flood Stage:	16
Action Stage:	14
Low Stage (in feet):	-9999

Historic Crests
(1) 23.10 ft on 06/15/2008
(2) 22.94 ft on 07/07/1993
(3) 22.13 ft on 07/03/2014
(4) 21.99 ft on 04/19/2013
(5) 20.38 ft on 10/09/2018 (P)
(6) 20.27 ft on 09/22/1965
(7) 19.94 ft on 05/25/1944
(8) 19.10 ft on 03/15/2019 (P)
(9) 19.08 ft on 05/30/2019 (P)
(10) 18.97 ft on 05/19/1974
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.08 ft on 05/30/2019 (P)
(2) 19.10 ft on 03/15/2019 (P)
(3) 16.27 ft on 02/05/2019 (P)
(4) 20.38 ft on 10/09/2018 (P)
(5) 16.12 ft on 09/07/2018 (P)
(6) 0.00 ft on 04/06/2017
(7) 15.78 ft on 01/17/2017
(8) 16.38 ft on 12/16/2015
(9) 14.71 ft on 08/12/2015
(10) 22.13 ft on 07/03/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

	Gauge Location	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

If you notice any errors in the below information, please contact our Webmaster
22	Major Flood Stage. Hills access is flooded.
20	Water reaches the bottom of the County Road W66 bridge deck.
19	Tri-County Bridge is closed as there is no access from the east side due to the roadway being flooded. Homes on Lola Lane, Y Avenue and near the Tri-County Bridge are affected as access is cut off due to flooded roads.
18.5	Moderate Flood Stage: River Junction Access is flooded. Low lying rural roads are under water.
18	Sand Road closes south of 520th Street to the Highway 22 intersection.
16	Flood Stage. Flood waters affect parts of Lola Lane and Y Avenue. River Junction Access Park is closed.
15	Water nears low lying roads and reaches agricultural levees.
14	Water reaches the tops of the river banks.

Other Real-time and/or Archive Data Sources:

Additional Information

How low could the river get?

Collaborative Agencies

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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Page last modified: 2-Nov-2020 7:29 PM

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