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Rock River at Jefferson, WI (JFFW3)

Data Type




Inundation Levels
NAVD88 Stage

790.818.0
789.817.0
788.816.0
Record Crest: 15.64 ft
787.815.0
786.814.0
Major Flooding Begins

785.813.0
784.812.0
Moderate Flooding Begins

783.811.0
Minor Flooding Begins

782.810.0
781.89.0
Near Flooding Begins

780.88.0
Below Flooding Begins

* = Extended rating
Weather Forecast Office Milwaukee/Sullivan, WI North Central River Forecast Center
Hydrograph River at a Glance Download Inundation
Mapping
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Click on mapped inundation to see water depth values for that location, or hold shift and drag to zoom to area.

Current Stage:
8.0 ft at 04/19/2024 21:00:00 UTC
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Inundation Legend
Depth in feet
USGS Gauge Location Gauge Location
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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.

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Map Overlays
Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 15.64 ft on 06/19/2008
(2) 12.84 ft on 04/02/1979
(3) 12.31 ft on 04/20/2013
(4) 12.29 ft on 04/22/1993
(5) 11.72 ft on 09/08/2018
(6) 11.51 ft on 06/02/2004
(7) 11.50 ft on 03/16/2019
(8) 11.35 ft on 04/14/2008
(9) 11.01 ft on 07/27/2010
(10) 11.00 ft on 10/12/2019 (P)
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(P): Preliminary values subject to further review.

Recent Crests
(1) 11.00 ft on 10/12/2019 (P)
(2) 11.50 ft on 03/16/2019
(3) 10.64 ft on 10/13/2018
(4) 11.72 ft on 09/08/2018
(5) 8.53 ft on 01/28/2017
(6) 7.78 ft on 12/18/2015
(7) 7.92 ft on 04/15/2015
(8) 9.17 ft on 07/03/2014
(9) 12.31 ft on 04/20/2013
(10) 9.70 ft on 03/27/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.74 ft on 07/11/2012
(2) 2.74 ft on 08/18/1988
(3) 2.78 ft on 09/11/2003
(4) 2.82 ft on 09/23/2005
(5) 2.88 ft on 09/27/2012
Show More Low Water Records

Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.
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15 Floodwaters cut the City of Jefferson in half. The Main Street and Wisconsin Drive bridges are closed to traffic due to flooding around the bridges. Main St and Hwy 26 intersection closed. S Center Ave near river flooded. Riverview Dr flooded.
12 Riverview Drive is closed due to floodwaters on the road. The Tensfeldt Park boat launch is closed. Intersection of S Main St and E Dane St is closed, and S Center Ave. Floodwaters affect highway K between Jefferson and Fort Atkinson. River's Edge Park flooded.
11.8 Floodwaters affect Highway K between Jefferson and Fort Atkinson. Floodwaters affect some low lying residences and businesses in Jefferson. Water on road at Hwy 26 (Main St) and Hwy N (E Dane St) and S Center Ave. Riverview Drive near the wastewater plant is flooded and closed.
11.3 Floodwaters affect low lying areas of residential and business property in Jefferson. Water approaches the intersection of Highway 26 (Main St) and County Road N (E Dane St). S Center Ave near the river flooded and Riverview Drive near the wastewater plant flooded. Park is flooded. The retention pond at S Main St and E Dane St is full.
10 Water affects low lying areas of residential property in the City of Jefferson. Rock River Park and boat launch is affected north of town near Hwy B.
9.3 There is minor lowland flooding. A stage of 9.3 feet is about a 50 percent flood meaning there is a 50 percent chance in any given year of the river reaching this level.
8 Minor lowland flooding occurs.
Photos
(1) Aerial photo looking north-Rock River at Jefferson, WI
(2) Aerial photo looking east-Rock River at Jefferson, WI
(3) Rock River flooding in Jefferson, WI April 2013
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Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.