Cass River Flow Today
As of October 10, 2026 at 1:45 AM, the Cass River is flowing at 72 cfs at Frankenmuth, MI — 66% of normal for the date and down 6% in 24 hours. ❤ Favorite
Cass River map
See the Cass 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
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Cass 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 Frankenmuth, the Cass River is running 72 cfs — 66% of normal, down 6% since yesterday. Along the river, 1 of 1 reporting gauges are below normal (the typical gauge is at 66% of normal).
How the Cass 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
- Frankenmuth591 ft 72 cfs66%
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 Cass River streamgauge, placed by its own percent of normal. The line is the typical gauge (66%).
Cass River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Cass River At Frankenmuth MI
Oct 10, 1:45 AM · USGS 04151500 |
72 cfs | 66% | -6% | 3.62 ft | 13.4 ft below | 591 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 Cass River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Cass 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).
Cass River
The Cass River is a 61-mile-long river located in eastern Michigan. The river was named after Lewis Cass, a politician who served as Governor of Michigan, Secretary of War, and Secretary of State. The Cass River flows through several counties, including Tuscola, Saginaw, and Bay. It is a tributary of the Saginaw River, which ultimately flows into Lake Huron. The river is known for its diverse aquatic life, including several species of fish such as walleye, northern pike, and smallmouth bass. Several reservoirs and dams are located on the river, including the Tobico Dam, which was built in 1924 to help regulate water levels in the Saginaw Bay. The Cass River is used for recreational activities such as fishing, canoeing, and kayaking. Additionally, the river is used for irrigation and agriculture in the surrounding areas.
Fishing near the Cass River
About the Cass River
How is the Cass River flowing right now?
As of October 10, 2026, the Cass River is flowing at 72 cfs at Frankenmuth, MI, about 66% of normal for the date. Every gauge’s live reading is in the table above.
Is the Cass River running high or low?
The typical gauge on the Cass River is at 66% 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 Cass River?
The National Weather Service sets flood stages for Frankenmuth (17.0 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.