St. Marys River at Rockford

1. 20.00 ftWater 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.
2. 16.00 ftWater 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.
3. 15.00 ftWater 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.
4. 14.70 ftThis 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.
5. 14.00 ftSeveral 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.
6. 13.00 ftState Route 117 near Route 118 north of Rockford is water-covered and closed.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 22, 2026.

Most recent crests

• May 19, 2019: 13.28 ft
• April 28, 2019: 13.32 ft
• June 18, 2015: 14.68 ft
• March 2, 2011: 14.25 ft
• February 8, 2008: 14.56 ft
• March 4, 2007: 12.41 ft
• December 31, 2005: 10.58 ft

• DownstreamSt. Marys River at Willshire
• St. Marys River at Pleasant Mills
• St. Marys River at Decatur
• Wabash River at Linn Grove
• Auglaize River at Ft. Jennings
• Ottawa River at Lima
• Salamonie River at Portland
• Wabash River at Bluffton

Forecasts by the Ohio River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by ice. River Forecasts typically include ONLY 2 days of future rain from <u>forecast issuance time</u> (lower right of graph). Occasionally 3 days of future rain included.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.