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Weather Forecast Office Green Bay, WI North Central River Forecast Center

Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Little Wolf River at Royalton Observed crest: 1.48 ft at 12:00pm Feb 07 Observed: 1.44 ft at 7:00am Jan 31 Observed: 1.44 ft at 8:00am Jan 31 Observed: 1.42 ft at 9:00am Jan 31 Observed: 1.4 ft at 10:00am Jan 31 Observed: 1.37 ft at 11:00am Jan 31 Observed: 1.36 ft at 12:00pm Jan 31 Observed: 1.33 ft at 1:00pm Jan 31 Observed: 1.32 ft at 2:00pm Jan 31 Observed: 1.32 ft at 3:00pm Jan 31 Observed: 1.34 ft at 4:00pm Jan 31 Observed: 1.37 ft at 5:00pm Jan 31 Observed: 1.41 ft at 6:00pm Jan 31 Observed: 1.45 ft at 7:00pm Jan 31 Observed: 1.46 ft at 8:00pm Jan 31 Observed: 1.45 ft at 9:00pm Jan 31 Observed: 1.42 ft at 10:00pm Jan 31 Observed: 1.39 ft at 11:00pm Jan 31 Observed: 1.36 ft at 12:00am Feb 1 Observed: 1.32 ft at 1:00am Feb 1 Observed: 1.29 ft at 2:00am Feb 1 Observed: 1.27 ft at 3:00am Feb 1 Observed: 1.26 ft at 4:00am Feb 1 Observed: 1.25 ft at 5:00am Feb 1 Observed: 1.25 ft at 6:00am Feb 1 Observed: 1.26 ft at 7:00am Feb 1 Observed: 1.28 ft at 8:00am Feb 1 Observed: 1.32 ft at 9:00am Feb 1 Observed: 1.37 ft at 10:00am Feb 1 Observed: 1.43 ft at 11:00am Feb 1 Observed: 1.47 ft at 12:00pm Feb 1 Observed: 1.48 ft at 1:00pm Feb 1 Observed: 1.46 ft at 2:00pm Feb 1 Observed: 1.43 ft at 3:00pm Feb 1 Observed: 1.39 ft at 4:00pm Feb 1 Observed: 1.36 ft at 5:00pm Feb 1 Observed: 1.31 ft at 6:00pm Feb 1 Observed: 1.28 ft at 7:00pm Feb 1 Observed: 1.25 ft at 8:00pm Feb 1 Observed: 1.23 ft at 9:00pm Feb 1 Observed: 1.21 ft at 10:00pm Feb 1 Observed: 1.2 ft at 11:00pm Feb 1 Observed: 1.21 ft at 12:00am Feb 2 Observed: 1.22 ft at 1:00am Feb 2 Observed: 1.26 ft at 2:00am Feb 2 Observed: 1.31 ft at 3:00am Feb 2 Observed: 1.37 ft at 4:00am Feb 2 Observed: 1.41 ft at 5:00am Feb 2 Observed: 1.43 ft at 6:00am Feb 2 Observed: 1.43 ft at 7:00am Feb 2 Observed: 1.41 ft at 8:00am Feb 2 Observed: 1.38 ft at 9:00am Feb 2 Observed: 1.35 ft at 10:00am Feb 2 Observed: 1.31 ft at 11:00am Feb 2 Observed: 1.28 ft at 12:00pm Feb 2 Observed: 1.27 ft at 1:00pm Feb 2 Observed: 1.25 ft at 2:00pm Feb 2 Observed: 1.24 ft at 3:00pm Feb 2 Observed: 1.24 ft at 4:00pm Feb 2 Observed: 1.24 ft at 5:00pm Feb 2 Observed: 1.27 ft at 6:00pm Feb 2 Observed: 1.31 ft at 7:00pm Feb 2 Observed: 1.35 ft at 8:00pm Feb 2 Observed: 1.38 ft at 9:00pm Feb 2 Observed: 1.39 ft at 10:00pm Feb 2 Observed: 1.38 ft at 11:00pm Feb 2 Observed: 1.35 ft at 12:00am Feb 3 Observed: 1.32 ft at 1:00am Feb 3 Observed: 1.3 ft at 2:00am Feb 3 Observed: 1.27 ft at 3:00am Feb 3 Observed: 1.26 ft at 4:00am Feb 3 Observed: 1.25 ft at 5:00am Feb 3 Observed: 1.24 ft at 6:00am Feb 3 Observed: 1.24 ft at 7:00am Feb 3 Observed: 1.24 ft at 8:00am Feb 3 Observed: 1.26 ft at 9:00am Feb 3 Observed: 1.3 ft at 10:00am Feb 3 Observed: 1.35 ft at 11:00am Feb 3 Observed: 1.4 ft at 12:00pm Feb 3 Observed: 1.44 ft at 1:00pm Feb 3 Observed: 1.45 ft at 2:00pm Feb 3 Observed: 1.44 ft at 3:00pm Feb 3 Observed: 1.41 ft at 4:00pm Feb 3 Observed: 1.38 ft at 5:00pm Feb 3 Observed: 1.34 ft at 6:00pm Feb 3 Observed: 1.3 ft at 7:00pm Feb 3 Observed: 1.27 ft at 8:00pm Feb 3 Observed: 1.25 ft at 9:00pm Feb 3 Observed: 1.23 ft at 10:00pm Feb 3 Observed: 1.22 ft at 11:00pm Feb 3 Observed: 1.21 ft at 12:00am Feb 4 Observed: 1.22 ft at 1:00am Feb 4 Observed: 1.25 ft at 2:00am Feb 4 Observed: 1.3 ft at 3:00am Feb 4 Observed: 1.36 ft at 4:00am Feb 4 Observed: 1.41 ft at 5:00am Feb 4 Observed: 1.44 ft at 6:00am Feb 4 Observed: 1.44 ft at 7:00am Feb 4 Observed: 1.42 ft at 8:00am Feb 4 Observed: 1.39 ft at 9:00am Feb 4 Observed: 1.36 ft at 10:00am Feb 4 Observed: 1.31 ft at 11:00am Feb 4 Observed: 1.29 ft at 12:00pm Feb 4 Observed: 1.27 ft at 1:00pm Feb 4 Observed: 1.26 ft at 2:00pm Feb 4 Observed: 1.25 ft at 3:00pm Feb 4 Observed: 1.26 ft at 4:00pm Feb 4 Observed: 1.28 ft at 5:00pm Feb 4 Observed: 1.33 ft at 6:00pm Feb 4 Observed: 1.37 ft at 7:00pm Feb 4 Observed: 1.39 ft at 8:00pm Feb 4 Observed: 1.38 ft at 9:00pm Feb 4 Observed: 1.37 ft at 10:00pm Feb 4 Observed: 1.34 ft at 11:00pm Feb 4 Observed: 1.3 ft at 12:00am Feb 5 Observed: 1.28 ft at 1:00am Feb 5 Observed: 1.26 ft at 2:00am Feb 5 Observed: 1.24 ft at 3:00am Feb 5 Observed: 1.23 ft at 4:00am Feb 5 Observed: 1.23 ft at 5:00am Feb 5 Observed: 1.25 ft at 6:00am Feb 5 Observed: 1.29 ft at 7:00am Feb 5 Observed: 1.35 ft at 8:00am Feb 5 Observed: 1.4 ft at 9:00am Feb 5 Observed: 1.45 ft at 10:00am Feb 5 Observed: 1.47 ft at 11:00am Feb 5 Observed: 1.46 ft at 12:00pm Feb 5 Observed: 1.44 ft at 1:00pm Feb 5 Observed: 1.4 ft at 2:00pm Feb 5 Observed: 1.37 ft at 3:00pm Feb 5 Observed: 1.33 ft at 4:00pm Feb 5 Observed: 1.3 ft at 5:00pm Feb 5 Observed: 1.28 ft at 6:00pm Feb 5 Observed: 1.27 ft at 7:00pm Feb 5 Observed: 1.26 ft at 8:00pm Feb 5 Observed: 1.26 ft at 9:00pm Feb 5 Observed: 1.28 ft at 10:00pm Feb 5 Observed: 1.32 ft at 11:00pm Feb 5 Observed: 1.37 ft at 12:00am Feb 6 Observed: 1.4 ft at 1:00am Feb 6 Observed: 1.42 ft at 2:00am Feb 6 Observed: 1.41 ft at 3:00am Feb 6 Observed: 1.39 ft at 4:00am Feb 6 Observed: 1.36 ft at 5:00am Feb 6 Observed: 1.33 ft at 6:00am Feb 6 Observed: 1.3 ft at 7:00am Feb 6 Observed: 1.27 ft at 8:00am Feb 6 Observed: 1.26 ft at 9:00am Feb 6 Observed: 1.25 ft at 10:00am Feb 6 Observed: 1.24 ft at 11:00am Feb 6 Observed: 1.25 ft at 12:00pm Feb 6 Observed: 1.28 ft at 1:00pm Feb 6 Observed: 1.35 ft at 2:00pm Feb 6 Observed: 1.42 ft at 3:00pm Feb 6 Observed: 1.48 ft at 4:00pm Feb 6 Observed: 1.5 ft at 5:00pm Feb 6 Observed: 1.5 ft at 6:00pm Feb 6 Observed: 1.48 ft at 7:00pm Feb 6 Observed: 1.44 ft at 8:00pm Feb 6 Observed: 1.4 ft at 9:00pm Feb 6 Observed: 1.37 ft at 10:00pm Feb 6 Observed: 1.34 ft at 11:00pm Feb 6 Observed: 1.3 ft at 12:00am Feb 7 Observed: 1.28 ft at 1:00am Feb 7 Observed: 1.26 ft at 2:00am Feb 7 Observed: 1.24 ft at 3:00am Feb 7 Observed: 1.23 ft at 4:00am Feb 7 Observed: 1.22 ft at 5:00am Feb 7 Observed: 1.23 ft at 6:00am Feb 7 Observed: 1.24 ft at 7:00am Feb 7 Observed: 1.28 ft at 8:00am Feb 7 Observed: 1.35 ft at 9:00am Feb 7 Observed: 1.41 ft at 10:00am Feb 7 Observed: 1.46 ft at 11:00am Feb 7 Observed: 1.48 ft at 12:00pm Feb 7 Observed: 1.47 ft at 1:00pm Feb 7 Observed: 1.45 ft at 2:00pm Feb 7 Observed: 1.42 ft at 3:00pm Feb 7 Observed: 1.38 ft at 4:00pm Feb 7 Observed: 1.35 ft at 5:00pm Feb 7 Observed: 1.31 ft at 6:00pm Feb 7 Observed: 1.29 ft at 7:00pm Feb 7 Observed: 1.26 ft at 8:00pm Feb 7 Observed: 1.25 ft at 9:00pm Feb 7 Observed: 1.23 ft at 10:00pm Feb 7 Observed: 1.23 ft at 11:00pm Feb 7 Observed: 1.24 ft at 12:00am Feb 8 Observed: 1.27 ft at 1:00am Feb 8 Observed: 1.33 ft at 2:00am Feb 8 Observed: 1.39 ft at 3:00am Feb 8 Observed: 1.44 ft at 4:00am Feb 8 Observed: 1.47 ft at 5:00am Feb 8 Observed: 1.47 ft at 6:00am Feb 8 Observed: 1.45 ft at 7:00am Feb 8 Observed: 1.43 ft at 8:00am Feb 8 Observed: 1.39 ft at 9:00am Feb 8 Observed: 1.36 ft at 10:00am Feb 8 Observed: 1.32 ft at 11:00am Feb 8 Observed: 1.29 ft at 12:00pm Feb 8 Observed: 1.26 ft at 1:00pm Feb 8 Observed: 1.25 ft at 2:00pm Feb 8 Observed: 1.24 ft at 3:00pm Feb 8 Observed: 1.25 ft at 4:00pm Feb 8 Observed: 1.28 ft at 5:00pm Feb 8 Observed: 1.32 ft at 6:00pm Feb 8 Observed: 1.37 ft at 7:00pm Feb 8 Observed: 1.41 ft at 8:00pm Feb 8 Observed: 1.43 ft at 9:00pm Feb 8 Observed: 1.43 ft at 10:00pm Feb 8 Observed: 1.41 ft at 11:00pm Feb 8 Observed: 1.39 ft at 12:00am Feb 9 Observed: 1.36 ft at 1:00am Feb 9 Observed: 1.32 ft at 2:00am Feb 9 Observed: 1.29 ft at 3:00am Feb 9 Observed: 1.28 ft at 4:00am Feb 9 Observed: 1.26 ft at 5:00am Feb 9 Observed: 1.26 ft at 6:00am Feb 9 Observed: 1.25 ft at 7:00am Feb 9 Observed: 1.25 ft at 8:00am Feb 9 Observed: 1.26 ft at 9:00am Feb 9 Observed: 1.28 ft at 10:00am Feb 9 Observed: 1.31 ft at 11:00am Feb 9 Observed: 1.37 ft at 12:00pm Feb 9 Observed: 1.42 ft at 1:00pm Feb 9 Observed: 1.47 ft at 2:00pm Feb 9 Observed: 1.48 ft at 3:00pm Feb 9 Observed: 1.48 ft at 4:00pm Feb 9 Observed: 1.45 ft at 5:00pm Feb 9 Observed: 1.41 ft at 6:00pm Feb 9 Observed: 1.37 ft at 7:00pm Feb 9 Observed: 1.33 ft at 8:00pm Feb 9 Observed: 1.29 ft at 9:00pm Feb 9 Observed: 1.27 ft at 10:00pm Feb 9 Observed: 1.26 ft at 11:00pm Feb 9 Observed: 1.25 ft at 12:00am Feb 10 Observed: 1.24 ft at 1:00am Feb 10 Observed: 1.25 ft at 2:00am Feb 10 Observed: 1.28 ft at 3:00am Feb 10 Observed: 1.33 ft at 4:00am Feb 10 Observed: 1.39 ft at 5:00am Feb 10 Graph Created (6:18am Feb 10, 2010) Observed USGS--Water Resources of the United States ROYW3 (plotting HGIRG) Gage 0 Datum: 774.00 Latest observed value: 1.39 ft at 5:00 AM CST 10-Feb-2010. Flood Stage is 5.0 ft. Stage (ft) Flow (kcfs)
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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 Little Wolf River at Royalton are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet)
Major Flood Stage:10
Moderate Flood Stage:8
Flood Stage:5
Action Stage:4

Historical Crests
(1) 11.95 ft on 03/28/1950
(2) 10.50 ft on 03/25/1939
(3) 10.00 ft on 03/30/1916
(4) 9.21 ft on 03/15/1946
(5) 9.10 ft on 04/05/1959
Show More Historical Crests

Low Water Records
(1) 0.7 ft on 08/11/2007
(2) 0.8 ft on 07/18/2006
(2) 0.8 ft on 08/09/2005
(2) 0.8 ft on 07/29/1936
(2) 0.8 ft on 09/24/2009

 Little Wolf River at Royalton location map

Flood Impacts & Photos Collapse
8.5 3.5 feet above flood stage...there are no known flooding affects at this stage or higher...however major flooding is likely occurring
7.0 2.0 feet above flood stage...water touches the base of the river gage station in Royalton. The riverbanks in the area are steep sided and most homes and roads are situated well above flood stage. Moderate flooding is likely occurring downstream of Royalton
6.0 1 foot above Flood stage...water may be surrounding some homes and structures downstream between Royalton and west of New London.
5.0 Which is flood stage...flooding is confined to lowland areas adjacent to the river from Royalton to west of New London
4.0 Which is bankfull stage...there is minor lowland flooding. Flood stage is at 5 feet
Photos
(1) View downstream on the Highway 54 bridge
(2) View at gage upstream on the Highway 54 bridge

About This Location Expand

Other Data Sources:
Corps of Engineers (COE) Info for Royalton
U.S. Geological Survey (USGS) Data and Site Info for Royalton

Additional Information Collapse
How low could the river get?

Resources Collapse
Hydrologic Resources
 Additional Resources
   

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
Green Bay Weather Forecast Office
2485 South Point Road
Green Bay, WI 54313
(920) 494-2363
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