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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the Rock River at Watertown are issued as needed during times of high water, but are not routinely available.
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Downstream Gauge Downstream Gauge - at Jefferson
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 6.5
Moderate Flood Stage: 6
Flood Stage: 5.5
Action Stage: 4
Low Stage (in feet): -9999

Historic Crests
(1) 7.81 ft on 06/13/2008
(2) 6.96 ft on 01/17/1997
(3) 6.32 ft on 04/04/1959
(4) 6.27 ft on 04/18/2013
(5) 6.19 ft on 03/31/1979
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.62 ft on 10/11/2019
(2) 5.42 ft on 03/14/2019
(3) 6.17 ft on 09/09/2018
(4) 5.77 ft on 08/17/2018 (P)
(5) 4.42 ft on 03/12/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.25 ft on 10/15/1939
(2) 0.49 ft on 09/19/2012
(3) 0.54 ft on 09/05/2005
(4) 0.58 ft on 06/26/2012
(5) 0.66 ft on 09/12/2003
Show More Low Water Records
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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
7.11 This level is the 1 percent chance flood meaning that there is a 1 percent chance in any given year of the river reaching this level. Floodwaters affect some streets in Watertown. Riverside Park is flooded. About 6 miles upstream near Ixonia, Wayside park along Highway 16, Kanow Park and Rock River Road near Highway 16 are flooded.
6.65 This level is the 2 percent chance flood meaning that there is a 2 percent chance in any given year of the river reaching this level. Floodwaters affect some streets in Watertown. Water is in Riverside Park. About 6 miles upstream near Ixonia, Wayside park along Highway 16, Kanow Park and Rock River Road near Highway 16 are flooded.
6 Water nears some streets in Watertown. Water is in Riverside Park in Watertown. About 6 miles upstream near Ixonia, Wayside park on Highway 16, Kanow Park and Rock River Road near Highway 16 are flooded.
5.91 This level is the 4 percent chance flood meaning that there is a 4 percent chance in any given year of the river reaching this level. There is widespread lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, Wayside park along Highway 16, Kanow Park and Rock River Road near Highway 16 are flooded.
5.5 There is widespread lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, Wayside park along Highway 16, Kanow Park and Rock River Road near Highway 16 are flooded.
5.34 About 6 miles upstream near Ixonia, Wayside park on Highway 16, Kanow Park and Rock River Road near Highway 16 are flooded. This level is the 10 percent chance flood meaning that there is a 10 percent chance in any given year of the river reaching this level.
5 There is minor lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, Wayside Park, Rock River Road and Kanow Park near Highway 16 are flooded.
4.84 There is minor lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, Wayside park and Kanow Park and Rock River Road near Highway 16 are closed. This level is the 20 percent chance flood meaning that there is a 20 percent chance in any given year of the river reaching this level.
4.7 There is minor lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, Wayside park and Kanow Park on Rock River Road near Highway 16 are flooded. Water touches Rock River Road off of Highway 16.
4 There is minor lowland flooding in rural areas around Watertown. Flood waters start to affect Wayside park on Highway 16 as well as Kanow Park on Rock River Road about 6 miles upstream near Ixonia.
3.97 There is minor lowland flooding in rural areas around Watertown. Floodwaters affect a wayside park on Highway 16 about 6 miles upstream near Ixonia, as well as Kanow Park on Rock River Road near Ixonia. This level is about a 50 percent chance flood meaning there is a 50 percent chance in any given year of the river reaching this level.
Photos
(1) Aerial photo looking south-Rock River at Watertown, WI
(2) Aerial photo looking west-Rock River at Watertown, WI
(3) Minor flooding from Rock River around Ixonia, WI

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
Milwaukee/Sullivan Weather Forecast Office
N3533 Hardscrabble Road
Dousman, WI 53118
(262) 965-2074
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