Shiawassee River at Owosso, MI

Shiawassee County, Michigan · USGS gauge 04144500 · NWS OWOM4 · Shiawassee River flood status · Michigan river levels

Is Shiawassee River at Owosso, MI flooding right now?

Shiawassee River at Owosso, MI measured 3.17 ft on 2026-09-11 01:15:00 UTC. That observation was 3.8 ft below its 7 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.17 ft
as of 76 min ago
Streamflow
443 cfs
data refreshed 13 min ago

Minor flooding here begins at 7 ft, with major flooding at 10 ft. The highest crest on record was 10.35 ft on Sun, Apr 6, 1947.

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
Action6 ft2.8 ft below
Minor flood7 ft3.8 ft below
Moderate flood9 ft5.8 ft below
Major flood10 ft6.8 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
10.35 ft1947-04-06
10.3 ft1981-10-01
10.27 ft1948-03-20
9.25 ft1975-04-22
9.1 ft2018-02-21

Nearby gauges

GaugeDistanceCounty
Threemile Creek at Prior Road near Durand, MI13.5 miShiawassee County
Shiawassee River near Fergus, MI17.0 miSaginaw County
Alger Creek at Hill Road near Swartz Creek, MI17.6 miGenesee County
Tributary Tile to Kimball Drain near Swartz Creek, MI18.6 miGenesee County
Tributary to Kimball Drain near Swartz Creek, MI18.6 miGenesee 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