IsItFlooding

Cass River at Frankenmuth, MI

Saginaw County, Michigan · USGS gauge 04151500 · NWS FRNM4 · Cass River flood status · Michigan river levels

Is Cass River at Frankenmuth, MI flooding right now?

Cass River at Frankenmuth, MI measured 3.86 ft on 2026-09-11 01:45:00 UTC. That observation was 13.1 ft below its 17 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.86 ft
as of 56 min ago
Streamflow
101 cfs
data refreshed 8 min ago

Minor flooding here begins at 17 ft, with major flooding at 25 ft. The highest crest on record was 27.52 ft on Fri, Sep 12, 1986.

Streamflow outlook

NOAA National Water Model forecast, issued 15 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action15 ft11.1 ft below
Minor flood17 ft13.1 ft below
Moderate flood20 ft16.1 ft below
Major flood25 ft21.1 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
27.52 ft1986-09-12
23.6 ft1997-02-22
23.37 ft1968-03-03
23.3 ft1997-02-23
23.1 ft1996-05-22

Nearby gauges

GaugeDistanceCounty
Flint River near Fosters, MI10.4 miSaginaw County
Saginaw River at Holland Avenue at Saginaw, MI12.1 miSaginaw County
Saginaw River at Saginaw, MI12.3 miSaginaw County
Cass River at Wahjamega, MI17.6 miTuscola County
Shiawassee River near Fergus, MI18.6 miSaginaw County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast