Shiawassee River Flow Today
As of October 27, 2026 at 2:15 AM, the Shiawassee River is flowing at 142 cfs at Owosso, MI — 52% of normal for the date and up 4% in 24 hours. ❤ Favorite
Shiawassee River map
See the Shiawassee River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
- Dams & paddle runs — storage and what’s in range
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Shiawassee River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Owosso, the Shiawassee River is running 142 cfs — 52% of normal, up 4% since yesterday. Along the river, 1 of 1 reporting gauges are below normal (the typical gauge is at 52% of normal).
How the Shiawassee River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Owosso695 ft 142 cfs52%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Shiawassee River streamgauge, placed by its own percent of normal. The line is the typical gauge (52%).
Shiawassee River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Shiawassee River At Owosso MI
Oct 27, 2:15 AM · USGS 04144500 |
142 cfs | 52% | +4% | 2.19 ft | 4.8 ft below | 695 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Shiawassee River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Shiawassee River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated earlier; the live gauge readings above are current).
Shiawassee River
The Shiawassee River is a major river in southeastern Michigan that runs for approximately 110 miles. The river flows through several counties, including Shiawassee, Genesee, Oakland, and Livingston. The river has a rich history, as it was once used for transportation and as a source of power for mills. Today, it is primarily used for recreational activities, such as fishing, canoeing, and kayaking. The river is home to several species of fish, including bass, pike, and walleye. There are several reservoirs and dams along the river, including the Byron Reservoir, the Holly Dam, and the Fenton Dam. These structures are used for flood control, water storage, and hydroelectric power generation. The river also supports a thriving agricultural industry, with many farms located in the surrounding areas.
Fishing near the Shiawassee River
About the Shiawassee River
How is the Shiawassee River flowing right now?
As of October 27, 2026, the Shiawassee River is flowing at 142 cfs at Owosso, MI, about 52% of normal for the date. Every gauge’s live reading is in the table above.
Is the Shiawassee River running high or low?
The typical gauge on the Shiawassee River is at 52% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Shiawassee River?
The National Weather Service sets flood stages for Owosso (7.0 ft). The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.