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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 Grand River at Ionia are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Portland Upstream Gauge Downstream Gauge Downstream Gauge - at Lowell
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 23
Flood Stage: 21
Action Stage: 13.5
Low Stage (in feet): -9999

Historic Crests
(1) 24.69 ft on 04/20/2013
(2) 24.40 ft on 02/23/2018
(3) 24.30 ft on 03/21/1948
(4) 23.60 ft on 04/07/1947
(5) 23.43 ft on 04/01/1960
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(P): Preliminary values subject to further review.

Recent Crests
(1) 19.93 ft on 06/29/2021
(2) 23.20 ft on 05/20/2020
(3) 19.89 ft on 03/16/2019
(4) 24.40 ft on 02/23/2018
(5) 22.12 ft on 04/08/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 5.61 ft on 07/16/1977
(2) 6.20 ft on 09/08/1954
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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
25 Expect major flooding of Ionia Fairgrounds and businesses and residences in low lying areas near the river. Railroad tracks and several additional businesses flooded in vicinity of Fairgrounds along Steele Street. Homes along Quarry Road flooded.
23 Expect moderate flooding of several roads, businesses, and residences, in the Ionia area and of structures located in the Ionia Fairgrounds. Water halfway up windows on automobile building at Ionia Fairgrounds. Water begins to flood parking lot of Dollar General store, Save-a-Lot, and the Ionia Secretary of State office. Homes along Quarry Road begin to flood.
21 Expect minor flooding of several buildings in the Ionia Fairgrounds, a shopping mall near the Fairgrounds, and several businesses and residences in the southern portion of Ionia.
18 Water surrounds automobile building at Ionia Fairgrounds.
16 Expect extensive lowland overflow to occur.
15 High water affects North Drive on Ionia Fairgrounds.
13.5 River is bankfull. Minor overflow begins in low lying areas along the river near and across from the Ionia Fairground.
(1) April 2013 Flooding - Ionia Fair Grounds
(2) April 2013 Flooding - Grand River near Ionia Fair Grounds
(3) May 2004 Flooding - Dollar General Parking Lot in Ionia
(4) May 2004 Flooding - Save-A-Lot Parking Lot in Ionia
(5) 2004 Flooding of Ionia County Fairgrounds
(6) 2004 Flooding of Ionia County Fairgrounds Entrance
(7) 2004 Flooding of Ionia County Fairground Buildings
(8) Grand River Overflowing into Ionia Fairgrounds
(9) Flooding at Fairgrounds in 1990
(10) Flooding near Ionia Fairgrounds Administrative Office
(11) Grand River at Ionia Flooding into Ionia Fairgrounds
(12) Additional Image of Flooding at Fairgrounds
(13) Flooding of Access Road at Ionia Fairgrounds
(14) Additional Photo of Flooding at Fairgrounds
(15) Grand River at Ionia Overflowing into Low Lying Areas
(16) Grand River at Ionia - Looking Downstream from Bridge
(17) USGS Gaging House on Left Bank of Grand River at Ionia
(18) Inside USGS Gaging House
(19) Grand River at Ionia - Looking Upstream from Bridge
(20) Wire Weight Gage on Bridge

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
How low could the river get?
USGS Streamflow Duration Hydrographs
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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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