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

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Wisconsin River at Rainbow Reservoir Observed crest: 1.74 ft at 2:15pm Feb 05 Observed: 1.8 ft at 6:15am Jan 31 Observed: 1.79 ft at 10:15am Jan 31 Observed: 1.77 ft at 5:00pm Jan 31 Observed: 1.77 ft at 6:00pm Jan 31 Observed: 1.78 ft at 7:00pm Jan 31 Observed: 1.8 ft at 10:00pm Jan 31 Observed: 1.77 ft at 5:00pm Feb 1 Observed: 1.77 ft at 6:00pm Feb 1 Observed: 1.77 ft at 7:00pm Feb 1 Observed: 1.78 ft at 10:00pm Feb 1 Observed: 1.75 ft at 5:00pm Feb 2 Observed: 1.76 ft at 6:00pm Feb 2 Observed: 1.75 ft at 7:00pm Feb 2 Observed: 1.77 ft at 10:15pm Feb 2 Observed: 1.77 ft at 2:15am Feb 3 Observed: 1.77 ft at 10:15am Feb 3 Observed: 1.75 ft at 5:00pm Feb 3 Observed: 1.75 ft at 6:00pm Feb 3 Observed: 1.75 ft at 7:00pm Feb 3 Observed: 1.77 ft at 10:15pm Feb 3 Observed: 1.76 ft at 2:15am Feb 4 Observed: 1.76 ft at 10:15am Feb 4 Observed: 1.73 ft at 5:00pm Feb 4 Observed: 1.73 ft at 6:00pm Feb 4 Observed: 1.73 ft at 7:00pm Feb 4 Observed: 1.75 ft at 10:00pm Feb 4 Observed: 1.74 ft at 2:15pm Feb 5 Observed: 1.72 ft at 5:00pm Feb 5 Observed: 1.72 ft at 6:00pm Feb 5 Observed: 1.72 ft at 7:00pm Feb 5 Observed: 1.74 ft at 10:15pm Feb 5 Observed: 1.74 ft at 2:15am Feb 6 Observed: 1.74 ft at 10:15am Feb 6 Observed: 1.72 ft at 5:00pm Feb 6 Observed: 1.72 ft at 6:00pm Feb 6 Observed: 1.72 ft at 7:00pm Feb 6 Observed: 1.74 ft at 10:15pm Feb 6 Observed: 1.74 ft at 10:00am Feb 7 Observed: 1.72 ft at 5:00pm Feb 7 Observed: 1.71 ft at 6:00pm Feb 7 Observed: 1.71 ft at 7:00pm Feb 7 Observed: 1.73 ft at 10:15am Feb 8 Observed: 1.72 ft at 2:15pm Feb 8 Observed: 1.7 ft at 5:00pm Feb 8 Observed: 1.71 ft at 6:00pm Feb 8 Observed: 1.71 ft at 7:00pm Feb 8 Observed: 1.73 ft at 10:15pm Feb 8 Observed: 1.72 ft at 10:15am Feb 9 Observed: 1.72 ft at 2:15pm Feb 9 Observed: 1.7 ft at 5:00pm Feb 9 Observed: 1.71 ft at 6:00pm Feb 9 Observed: 1.7 ft at 7:00pm Feb 9 Observed: 1.72 ft at 10:15pm Feb 9 Observed: 1.7 ft at 4:00am Feb 10 Graph Created (5:18am Feb 10, 2010) Observed USGS--Water Resources of the United States LTKW3 (plotting HGIRP) Gage 0 Datum: n/a Latest observed value: 1.7 ft at 4:00 AM CST 10-Feb-2010. Flood Stage is 6.0 ft. Stage (ft) Flow (kcfs)
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NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts are not available for the Wisconsin River at Rainbow Reservoir. Only observed stages are available for this point.

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Upstream Gauge - above Otter Rapids Dam Upstream Gauge Downstream Gauge Downstream Gauge - above Rhinelander Dam

Flood Categories (in feet)
Major Flood Stage:9
Moderate Flood Stage:7.5
Flood Stage:6
Action Stage:4

Historical Crests
(1) 7.59 ft on 09/05/1941
(2) 7.23 ft on 07/18/1942
(3) 6.68 ft on 06/26/1946
(4) 6.66 ft on 06/17/1943
(5) 6.33 ft on 08/10/1938
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Low Water Records
(1) 0.2 ft on 07/01/1937
(2) 0.9 ft on 08/11/2009
(3) 1.1 ft on 10/05/2007
(4) 1.3 ft on 10/06/2008
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Wisconsin River at Rainbow Reservoir location map

Flood Impacts & Photos Collapse
9.0 3 feet above flood stage...there are no known flooding affects at this stage or higher...however major flooding is likely occurring
7.5 1.5 feet above flood stage...moderate lowland flooding is likely occurring
6.0 Which is flood stage...there is widespread flooding of wooded lowland. A boat landing ramp and nearby paved parking lot downstream of the Rainbow Reservior dam is flooding
4.0 Which is bankfull stage...there is minor flooding of wooded lowland. Flood stage is at 6 feet
Photos
(1) Downstream of Rainbow Dam

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Other Data Sources:
U.S. Geological Survey (USGS) Data and Site Info for Rainbow Reservoir

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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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