Cass River at Frankenmuth, MI
River level and flood forecast · Saginaw County
The river is 13.4 ft below flood stage (17 ft).
Flow: 68 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
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An email when the National Weather Service forecasts Cass River at Frankenmuth to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 25 ft |
| Moderate flood stage | 20 ft |
| Flood stage | 17 ft |
| Action stage | 15 ft |
| Record crest (September 12, 1986) | 27.52 ft |
What floods at each level
From the National Weather Service, highest first.
- 29 ftWater will likely begin making its way around the levee and into downtown Frankenmuth.
- 23 ftSoftball fields and picnic areas by Bavarian Inn Resort will be under about 3 feet of water.
- 22.5 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.
- 22 ftWater floods driveways of several houses on Curtis Road near Frankenmuth.
- 21.5 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.
- 20 ftThe recreation park by the Bavarian Inn Resort in Frankenmuth floods.
- 19.5 ftSome backyards on Curtis Road near Frankenmuth flood.
- 19 ftFlooding begins on Green Acres Golf Course located on the Bridgeport and Frankenmuth Township border.
- 17 ftThe river begins to overflow its banks in places, flooding adjacent low lands.
Highest crests on record
- 27.52 ft — September 12, 1986
- 23.6 ft — February 22, 1997
- 23.37 ft — March 3, 1968
- 23.3 ft — February 23, 1997
- 23.1 ft — May 22, 1996
Recent crests: 18.76 ft (January 28, 2024) · 17.75 ft (April 2, 2023) · 17.86 ft (February 19, 2022) · 19.74 ft (January 13, 2020) · 19.49 ft (May 27, 2019)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FRNM4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.