St. Joseph River (OH/IN) near Fort Wayne, IN

River level and flood forecast · Allen County

Normal2.5 ftas of Mon 4:10 PM

The river is 9.5 ft below flood stage (12 ft).

Flow: 203 cubic feet per second (USGS).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 10 ftFlood 12 ftModerate 18 ftMajor 20 ftNowObserved (ft)NWS forecast

NWS forecast issued Thu, Sep 17, 9:46 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage20 ft
Moderate flood stage18 ft
Flood stage12 ft
Action stage10 ft
Record crest (March 26, 1913)22 ft

What floods at each level

From the National Weather Service, highest first.

  • 20 ftA major flood is in progress and water nears the top of uncertified levees.
  • 19 ftAn increasing number of city streets flood with a few homes in Concordia Gardens affected by high water.
  • 18 ftThe city of Fort Wayne starts monitoring all potential flood sites on the St. Joseph River. Some residents in low lying areas and Canterbury Green Apartments will be affected by high water.
  • 17 ftFlooding occurs in parks and low farmland throughout northeast Allen County. Flooding occurs on the lowest unprotected city streets...park drives and county roads.
  • 15 ftFlooding of lowland and farmland near the river increases.
  • 12 ftLowland and farmland flooding near the river begins.

Highest crests on record

  1. 22 ft — March 26, 1913
  2. 20.38 ft — March 12, 2009
  3. 18.1 ft — May 19, 1996
  4. 17.9 ft — April 7, 1950
  5. 17.86 ft — June 5, 1989

Recent crests: 8.65 ft (May 10, 2021) · 11.44 ft (January 12, 2020) · 11.23 ft (May 2, 2019) · 14.24 ft (February 22, 2018) · 11.48 ft (May 25, 2017)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ROOI3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.