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Winnebago River (Northern IA) At Mason City (MCWI4)

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Flood Stage: 10 Feet
Latest Stage: 3.27
Current Warnings/Statements/Advisories:Special Weather Statement
NOTE:Forecasts for the Winnebago River (Northern IA) at Mason City are issued as needed during times of high water, but are not routinely available.
Flood Categories (in feet)
Major Flood Stage: 15.5
Moderate Flood Stage: 14.5
Flood Stage: 10
Action Stage: 6
Low Stage (in feet): 0

Historic Crests
(1) 18.74 ft on 06/08/2008
(2) 14.80 ft on 03/27/1961
(3) 14.67 ft on 05/22/2004
(4) 14.27 ft on 04/11/1965
(5) 13.70 ft on 04/06/1965
(6) 13.06 ft on 08/31/1962
(7) 12.59 ft on 04/01/1993
(8) 12.44 ft on 04/07/1951
(9) 12.30 ft on 05/23/2004
(10) 12.25 ft on 07/08/1969
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.47 ft on 05/06/2012
(2) 7.55 ft on 03/23/2011
(3) 6.39 ft on 06/27/2010
(4) 11.20 ft on 03/12/2010
(5) 6.95 ft on 10/30/2009
(6) 6.74 ft on 02/11/2009
(7) 6.91 ft on 07/08/2008
(8) 11.68 ft on 06/12/2008
(9) 18.74 ft on 06/08/2008
(10) 7.16 ft on 05/30/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Probabilistic Stage Forecast for Mason City

Stage Exceedance Forecast for Mason City

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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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Page last modified: 19-Nov-2014 2:09 AM
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