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Advanced Hydrologic Prediction Service
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This probabilistic forecast is issued by the Ohio River Forecast Center.
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About this graph
Forecasts for the St. Marys River at Rockford are issued as needed during times of high water, but are not routinely available.
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Downstream Gauge Downstream Gauge - at Decatur
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 16
Flood Stage: 13
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 14.68 ft on 06/18/2015
(2) 14.56 ft on 02/08/2008
(3) 14.25 ft on 03/02/2011
(4) 13.32 ft on 04/28/2019
(5) 13.28 ft on 05/19/2019
(6) 12.41 ft on 03/04/2007
(7) 10.58 ft on 12/31/2005

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.28 ft on 05/19/2019
(2) 13.32 ft on 04/28/2019
(3) 14.68 ft on 06/18/2015
(4) 14.25 ft on 03/02/2011
(5) 14.56 ft on 02/08/2008
(6) 12.41 ft on 03/04/2007
(7) 10.58 ft on 12/31/2005

(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
20 Water floods several homes and businesses in the north and east sides of Rockford, primarily in the area of Bridge Street, as well as near East Street and locations along Route 33 east of town. High water extends further onto Route 118 north of Rockford near Route 117 and Route 127 at the St. Marys Bridge is closed.
16 Water begins to flood some structures, primarily in the area of Route 33 and West Street, as well as near Route 33 and East Street on the southeast side of Rockford. In addition, Route 117 near Route 118 north of Rockford and Route 127 at the St. Marys Bridge are closed.
15 Water nearly floods several homes and businesses, primarily in the area of Route 33 and West Street, as well as near Route 33 and East Street on the southeast side of Rockford. In addition, Route 117 near Route 118 north of Rockford and Route 127 at the St. Marys Bridge are closed.
14.7 This stage is roughly the height of the FEMA 1 percent flood level. Backwater creek flooding rises onto property between West Bridge Street and North Streets.
14 Several roads become flooded, with Route 127 at the St. Marys bridge closed due to high water. Water extends well onto property along the river, approaching some homes and businesses. No homes are flooded at this level.
13 State Route 117 near Route 118 north of Rockford is water-covered and closed.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) River Forecast VS. River Potential
HEFS Ensemble NAEFS Ensemble Outlook vs. Forecast

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

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
Wilmington Weather Forecast Office
1901 South State Route 134
Wilmington, OH 45177
(937) 383-0031
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Page last modified: 2-Nov-2020 7:30 PM
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