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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 Pecatonica River at Martintown are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - near Blanchardville Upstream Gauge Downstream Gauge Downstream Gauge - at Freeport
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 18
Flood Stage: 13.5
Action Stage: 9.5
Low Stage (in feet): -9999

Historic Crests
(1) 22.41 ft on 03/16/2019 (P)
(2) 20.98 ft on 07/01/1990
(3) 20.80 ft on 03/27/1916
(4) 20.57 ft on 03/24/1975
(5) 20.36 ft on 07/08/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.83 ft on 10/07/2019 (P)
(2) 22.41 ft on 03/16/2019 (P)
(3) 13.52 ft on 02/08/2019 (P)
(4) 18.78 ft on 10/08/2018 (P)
(5) 14.57 ft on 09/25/2018 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.10 ft on 12/14/1939
(2) 3.65 ft on 09/12/2003
(3) 3.72 ft on 09/15/2005
(4) 4.20 ft on 07/16/2012
(5) 4.57 ft on 08/28/2015
Show More Low Water Records
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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
24.14 Some homes in the Martintown area have floodwaters in their first floors sustaining major damage. Martintown Road and West River Road are flooded. Upstream in Browntown, hwy 11, Highway MM and West Indies Road are flooded. Highway 73 is flooded about 1 mile downstream in Winslow Illinois. This level is the 1 percent flood meaning that there is a 1 percent chance of the river reaching this level in any given year.
23.27 Some homes in the Martintown area have floodwaters in their first floors sustaining major damage. Martintown Road and West River Road in Martintown are flooded. Upstream in Browntown, hwy 11, Highway MM and West Indies Road are flooded. Highway 73 downstream in Winslow Illinois is flooded. This level is the 2 percent flood meaning there is a 2 percent chance of the river reaching this level in any given year.
22.34 Some homes in the Martintown area have floodwaters in their basements and first floors sustaining major damage. Martintown Road and West River Road in Martintown are flooded. Upstream in Browntown, Hwy 11, Highway MM and West Indies Road are flooded. Highway 73 about 1 mile downstream in Winslow Illinois is flooded. This level is the 4 percent flood meaning there is a 4 percent chance of the river reaching this level in any given year.
20.96 Some homes in the Martintown area have floodwaters in their basements and first floors. Martintown Road and West River Road in the Martintown area are flooded. Hwy 11, Highway MM and West Indies Road upstream in Browntown are flooded. Highway 73 about 1 mile downstream in Winslow Illinois is flooded. This level is the 10 percent chance flood meaning there is a 10 percent chance of the river reaching this level in any given year.
19.44 Some homes in Martintown area have floodwaters in their basements and first floors, Highways MM and West Indies Road upstream in the Browntown area are flooded. Martintown Road and West River Road in Martintown are flooded as is Highway 73 about 1 mile downstream in Winslow Illinois. This level is the 20 percent chance flood meaning there is a 20 percent chance of the river reaching this level in any given year.
18.45 Some homes in the Martintown area have floodwaters in their basements and first floors. Martintown Road and West River Road are flooded. Upstream in Browntown, Highway MM and West Indies Road are flooded. About 1 mile downstream in Winslow, Illinois, Highway 73 is flooded.
18 Floodwaters are in the basements of some homes in the Martintown area. Martintown Road and West River Road are flooded. Upstream in Browntown, Highway MM and West Indies Road are flooded. About 1 mile downstream in Winslow, Illinois, Highway 73 is flooded.
17.5 Floodwaters are in the back years of some homes in the Martintown area. Martintown Road and West River Road are flooded. Upstream in Browntown, Highway MM and West Indies Road are flooded. About 1 mile downstream in Winslow Illinois, Highway 73 is flooded.
16.56 Floodwaters are in the back yards of some homes in Martintown. Floodwaters affect Martintown Road and West River Road in the Martintown area. Upstream in Browntown, floodwaters affect Highway MM and West Indies Road. This level is the 50 percent chance flood meaning that there is a 50 percent chance of the river reaching this level in any given year.
16 Floodwaters are in the back yard of at least one home in Martintown. Floodwaters affect Martintown Road and West River Road in the Martintown area. Upstream in Browntown, floodwaters affect Highway MM and West Indies Road.
13.5 Floodwaters affect Martintown Road and West River Road in the Martintown area. Upstream in Browntown, floodwaters affect highway MM and West Indies Road.
13 Tillable farmland is flooded.
11 There is minor lowland flooding.
9.5 There is minor lowland flooding.
Photos
(1) Minor flooding in Martintown area
(2) Minor flooding in Martintown area

Other Real-time and/or Archive Data Sources:

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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
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Milwaukee/Sullivan Weather Forecast Office
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(262) 965-2074
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Page last modified: 2-Nov-2020 7:29 PM
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