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Weather Forecast Office Milwaukee/Sullivan, WI

North Central River Forecast Center

Hydrograph

River at a Glance

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Inundation
Mapping

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About this graph

Tabular Data (UTC)

Tabular Data (CDT)

Datum: NAVD88

Metadata

NOTE: Gauge reading may be affected by ice.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

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

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	18
Moderate Flood Stage:	17
Flood Stage:	16
Action Stage:	14.5
Low Stage (in feet):	-9999

Historic Crests
(1) 20.90 ft on 06/15/2008
(2) 18.12 ft on 04/22/2013
(3) 17.33 ft on 04/16/2008
(4) 17.31 ft on 09/11/2018 (P)
(5) 17.29 ft on 06/05/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.83 ft on 10/12/2019 (P)
(2) 17.24 ft on 03/24/2019 (P)
(3) 16.60 ft on 03/16/2019
(4) 16.70 ft on 10/11/2018 (P)
(5) 17.31 ft on 09/11/2018 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 10.48 ft on 10/30/2015
(2) 10.55 ft on 11/21/2021
(3) 10.55 ft on 07/13/2012
(4) 10.61 ft on 09/22/2005
(5) 10.62 ft on 09/12/2003
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:16

	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
20	Numerous roads are flooded and closed: Highway 106 and North Shore Road southwest of Fort Atkinson, Sinnissippi Dr, Fox Hill Rd, Bark River Rd from Kutz Rd to Rock River Rd, Ralph Rd, etc. Rock River Road about 1 mile east of fort Atkinson is flooded. Water surrounds some homes and businesses near the river along Highway 106 and at the end of Vets Lane near the intersection of Highway 106 and Blackhawk Island Road. There is widespread agricultural land flooding east of Fort Atkinson along Highway 106.
18.6	Numerous roads are flooded and closed in the Fort Atkinson area, including Rock River Road about 1 mile east of Fort Atkinson, Sinnissipi Drive, Ralph Rd, Bark River Road from Kutz Road to Rock River Road. Water surrounds some homes and businesses close to the river at the end of Vets Lane southwest of Fort Atkinson near the intersection of Highway 106 and Blackhawk Island Road. This level is the 4 percent chance flood meaning that there is a 4 percent chance in any year of the river reaching this level.
17.7	Floodwaters partially cover low spots on Highway 106 near Rock River Park. A riverside walkway near South Water Street in downtown Fort Atkinson is closed. A few homes and businesses are surrounded by water at the end of Vets lane near the intersection of Highway 106 and Blackhawk Island Road about 1 mile southwest of Fort Atkinson. North Shore Road about 1 mile southwest of Fort Atkinson is closed. Ralph Rd impacted. Floodwaters cover fields on the east side of Fort Atkinson.
17.3	Numerous roads closed: Sinnissippi Drive, Fox Hill Rd, Bark River Road from Kutz Road to Rock River Road, Rock River Rd from Milwaukee Ave E to Hwy 106. Floodwaters surround a few homes and businesses close to the river at the end of Vets Lane near the intersection of Highway 106 and Blackhawk Island Road. North Shore Road is closed. Ralph Rd impacted. 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.
17	Floodwaters are in the back yards of some homes on Rogers Street on the northeast side of Fort Atkinson. These roads are flooded and closed in the Fort Atkinson area: Sinissippi Drive, Vets Ln, Fox Hill Rd, Bark River Road from Kutz Road to Rock River Road. The river walkway in fort Atkinson becomes flooded and is closed.
16.89	The following roads in the Fort Atkinson area are flooded and closed: Sinissippi drive, Vets Ln, Bark River Road from Kutz Road to Rock River Road. The river walkway in Fort Atkinson becomes flooded and is closed.
16.5	In the Fort Atkinson area, the following roads are closed: Sinnissippi Drive, Bark River Road from Kutz Road to Rock River Road, and Rock River Road from Highway 106 to the Fort Atkinson city limits. Water is in park land near the river in Fort Atkinson.
16.1	Floodwaters affect some park land and boat launches in the Fort Atkinson area. 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.
16	Floodwaters affect some park land in the city of Fort Atkinson.
14.5	Water overflows the lowest river banks in Fort Atkinson flooding low lying land adjacent to the river.
Photos (1) April 2013 Rock River flooding near Fort Atkinson, WI (2) Aerial photo looking east-Rock River-Ft. Atkinson, WI (3) Aerial photo looking south-Rock River-Ft. Atkinson, WI

About This Location

Latitude: 42.927800° N, Longitude: 88.842500° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	16 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	764.87 ft	780.87	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	Not Available	Not Available	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	775.09 ft	781.09 ft

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Fort Atkinson

Additional Information

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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
Milwaukee/Sullivan Weather Forecast Office
N3533 Hardscrabble Road
Dousman, WI 53118
(262) 965-2074
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Page last modified: 2-Nov-2020 7:29 PM

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