St. Marys River near Fort Wayne, IN

The last 7 days and the forecast

NWS forecast issued Sat, Sep 26, 12:46 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

What floods at each level

From the National Weather Service, highest first.

• 22 ftStructural damage is done to homes and businesses on the south side of Fort Wayne near the Saint Mary's River. Record flood was set on July 9, 2003 when the river reached 21.2 feet.
• 20 ftA major flood is in progress and water is nearing the top of many levees.
• 19 ftFlooding reaching major category with isolated evacuations becoming necessary. Some roads and bridges are closed at this level.
• 18 ftAn increasing number of city streets flood, and evacuations may become necessary. Property damage begins in more areas at this level.
• 17 ftSome residents in the Winchester Road area may need to be evacuated. Property damage begins in some areas at this level.
• 15 ftFlooding occurs on the lowest unprotected city streets, park drives and county roads.
• 14 ftFlooding occurs in parks and low farmland throughout southern Allen County. The City of Fort Wayne starts 24 hour flood fighting procedures.

Highest crests on record

1. 21.2 ft — July 9, 2003
2. 19.88 ft — June 19, 2015
3. 19.66 ft — March 14, 1982
4. 19.06 ft — January 14, 2005
5. 18.33 ft — February 26, 1985

Recent crests: 12.91 ft (July 17, 2021) · 13.21 ft (January 12, 2020) · 15.27 ft (April 29, 2019) · 15.27 ft (April 29, 2019) · 12.84 ft (February 21, 2018)

Up and down the river, and nearby

• UpstreamSt. Marys River at Decatur, IN
• DownstreamSt. Marys River at Fort Wayne Main Street, IN
• Junk Ditch at Fort Wayne, IN
• Maumee River at Coliseum Blvd In Fort Wayne, IN
• Maumee River at Fort Wayne, IN
• Maumee River at Columbia St. at Ft. Wayne, IN
• Maumee River at New Haven, IN
• St. Joseph River (OH/IN) at Ft. Wayne at Parnell Ave, IN
• Spy Run Creek at Ft. Wayne Childrens Zoo, IN