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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 near Shirland are issued as needed during times of high water, but are not routinely available.
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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Rockton
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 15.5
Moderate Flood Stage: 14
Flood Stage: 12
Action Stage: 11
Low Stage (in feet): 2.5

Historic Crests
(1) 18.08 ft on 03/25/1975
(2) 17.45 ft on 04/04/1959
(3) 17.08 ft on 04/03/1960
(4) 16.73 ft on 03/21/1948
(5) 16.50 ft on 02/19/1971
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.49 ft on 03/24/2020
(2) 15.52 ft on 10/07/2019
(3) 13.51 ft on 09/19/2019
(4) 12.85 ft on 06/02/2019
(5) 16.46 ft on 03/17/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
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
19.5 Shirland Community School and other municipal buildings are threatened in Shirland.
19 IL-70 (Trask Bridge Road) is threatened east of the river between Pecatonica and Harrison.
18.5 Structures threatened near the river in Pecatonica.
17.5 Residences are threatened along Harrison Road in Harrison. Meridian Road is threatened south of the river east of Shirland.
17 Telegraph Road is threatened east of Pecatonica. IL-75 is threatened west of Harrison. Harrison Road is threatened in Harrison.
16.5 Residences are threatened along Hartlien Road in Shirland.
16 Water treatment plant property in Pecatonica is threatened.
15 Harrison Road (Mitchell Street) threatened between Shirland and Harrison. Widespread inundation of the floodplain reaches up to half mile from the river near Shirland.
14.5 Pecatonica Road and Blair Road are threatened north of Pecatonica.
14 Structures threatened at Rivers Edge Campground east of Shirland.
12 Low-lying sections of the Winnebago County Fairgrounds are inundated. Low-lying sections of Rivers Edge Campground are inundated east of Shirland.
Photos
(1) Looking downstream 10/20/15. Stage 4.20 ft.
(2) Looking upstream 10/20/15. Stage 4.20 ft.
Low Water Impacts Collapse
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2.5 Approximate stage of the 1-in-10 annual chance flow (7-day average).

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
How low could the river get?
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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 2-Nov-2020 7:29 PM
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