Rivers in Michigan

Cass River at Frankenmuth

Saginaw County, MichiganNWS FRNM4USGS 04151500White Lake office

Below flood stage
3.45ftStage

Observed Sun, Sep 27, 6:45 AM EDT

Flood stage
17.00 ft
Record crest
27.52 ft1986

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood25.00 ft
Moderate flood20.00 ft
Minor flood17.00 ft
Action15.00 ft
  1. 29.00 ftWater will likely begin making its way around the levee and into downtown Frankenmuth.
  2. 23.00 ftSoftball fields and picnic areas by Bavarian Inn Resort will be under about 3 feet of water.
  3. 22.50 ftAt least three houses, by Dixie Highway and Knott Road in Bridgeport Township, become surrounded by water. Water flows on both sides of the Cass River bridge on Dixie Highway.
  4. 22.00 ftWater floods driveways of several houses on Curtis Road near Frankenmuth.
  5. 21.50 ftWater reaches Curtis Road and Dixie Highway by Green Acres Golf Course between Bridgeport and Frankenmuth. Widespread flooding of adjacent lowlands and agricutlural lands worsens.
  6. 20.00 ftThe recreation park by the Bavarian Inn Resort in Frankenmuth floods.
  7. 19.50 ftSome backyards on Curtis Road near Frankenmuth flood.
  8. 19.00 ftFlooding begins on Green Acres Golf Course located on the Bridgeport and Frankenmuth Township border.
  9. 17.00 ftThe river begins to overflow its banks in places, flooding adjacent low lands.

Flood outlook

Chance of flooding, September to November

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

75 crests on NOAA’s list since 1942.

#DateStage
1September 12, 198627.52 ft
2February 22, 199723.60 ft
3March 3, 196823.37 ft
4February 23, 199723.30 ft
5May 22, 199623.10 ft
6March 6, 197622.83 ft
7February 14, 200922.17 ft
8April 7, 198522.16 ft
9July 9, 199421.90 ft
10February 22, 201821.21 ft
11March 7, 200421.10 ft
12October 1, 198620.96 ft
13March 16, 198220.96 ft
14March 18, 194220.88 ft
15April 13, 201320.82 ft
16April 20, 201320.72 ft
17February 26, 198520.52 ft
18December 30, 200820.41 ft
19February 11, 200120.40 ft
20March 12, 200620.35 ft
21January 2, 197320.31 ft
22April 30, 201120.23 ft
23April 29, 200920.19 ft
24March 13, 198520.08 ft
25March 20, 199820.00 ft

Most recent crests

  • January 28, 2024: 18.76 ft
  • April 2, 2023: 17.75 ft
  • February 19, 2022: 17.86 ft
  • January 13, 2020: 19.74 ft
  • May 27, 2019: 19.49 ft
  • March 16, 2019: 19.05 ft
  • April 18, 2018: 18.60 ft
  • February 22, 2018: 21.21 ft
  • April 8, 2017: 18.79 ft
  • May 16, 2014: 17.16 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 24 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.