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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 Thornapple River at Caledonia are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Hastings Upstream Gauge
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 14.40 ft on 04/07/1947
(2) 11.79 ft on 02/24/2018
(3) 11.69 ft on 04/19/2013
(4) 11.43 ft on 02/27/1985
(5) 11.21 ft on 05/26/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.20 ft on 03/15/2019
(2) 11.79 ft on 02/24/2018
(3) 9.87 ft on 04/09/2017
(4) 7.17 ft on 04/11/2016
(5) 7.05 ft on 06/15/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.40 ft on 05/28/1968
(2) 1.60 ft on 07/31/1964
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Gauge LocationGauge Map Marker
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
13 Thornapple River Drive is flooded.
11 High water begins to impact home on island below Cascade Dam.
10 Minor flooding of low lying areas occurs.
8 River is bankfull. Expect overflow into low lying areas along the river.
(1) Thornapple River at Caledonia - Looking Downstream at Bridge
(2) Thornapple River at Caledonia - Looking Downstream from Bridge
(3) USGS Gaging Station on the Thornapple River at Caledonia
(4) Interior of USGS Gaging Station on the Thornapple River at Caledonia
(5) LaBarge Dam Looking Upstream on the Thornapple River
(6) Thornapple River at the LaBarge Dam at high flows.
(7) Thornapple River near Caledonia looking downstream at 84th Street Bridge during high flows.
(8) USGS River gaging station on the Thornapple River near Caledonia.
(9) Thornapple River near Caledonia at flood stage.
(10) Thornapple River at LaBarge dam at flood stage.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
How low could the river get?
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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
Grand Rapids Weather Forecast Office
4899 Tim Dougherty Drive SE
Grand Rapids, MI 49512-4034
(616) 949-0643
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Page last modified: 2-Nov-2020 7:30 PM
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