Rivers in Michigan

St. Joseph River (MI/IN) at Mottville

St. Joseph County, MichiganNWS MOTM4USGS 04099000Syracuse office

Below flood stage
3.30ftStage

Observed Tue, Sep 29, 2:15 AM EDT

Flood stage
8.00 ft
Record crest
10.76 ft1950

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood10.00 ft
Moderate flood9.00 ft
Minor flood8.00 ft
Action7.00 ft
  1. 10.00 ftA major flood is in progress. Expect extensive inundation and damage. Many primary roads and bridges will be closed and many people evacuated.
  2. 9.00 ftModerate flooding of businesses and residences will occur in the village of Constantine.
  3. 8.00 ftMinor flooding of farmland and secondary roads will occur in low lying areas adjacent to the river.
  4. 6.00 ftMinor flooding of lowland adjacent to the river can be expected.

Flood outlook

Chance of flooding, October to December

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 25, 2026.

Crest history

29 crests on NOAA’s list since 1950.

#DateStage
1April 27, 195010.76 ft
2June 4, 198910.41 ft
3February 24, 201810.17 ft
4March 21, 19829.81 ft
5February 28, 19859.57 ft
6May 20, 20208.62 ft
7January 12, 20088.59 ft
8March 13, 20098.58 ft
9March 8, 19768.28 ft
10February 1, 19698.00 ft
11April 23, 20137.61 ft
12February 19, 20057.16 ft
13March 24, 20147.15 ft
14January 12, 19987.07 ft
15May 15, 20026.98 ft
16April 11, 20176.92 ft
17May 10, 20196.86 ft
18June 1, 20116.76 ft
19April 5, 20236.67 ft
20June 18, 20046.46 ft
21February 22, 20226.44 ft
22June 18, 20156.43 ft
23January 8, 20076.26 ft
24June 30, 20216.11 ft
25August 17, 20166.08 ft

Most recent crests

  • April 5, 2023: 6.67 ft
  • February 22, 2022: 6.44 ft
  • June 30, 2021: 6.11 ft
  • May 20, 2020: 8.62 ft
  • May 10, 2019: 6.86 ft
  • February 24, 2018: 10.17 ft
  • April 11, 2017: 6.92 ft
  • August 17, 2016: 6.08 ft
  • June 18, 2015: 6.43 ft
  • March 24, 2014: 7.15 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Sources

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.