Flood Warning Issued for Cass River at Frankenmuth in Saginaw County
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Flood Warning is in effect for the Cass River at Frankenmuth as moderate flooding is forecast following heavy overnight rainfall.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Saginaw County, Michigan
- Issued
- April 6, 2026
- Issuing authority
- NWS Detroit/Pontiac MI
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Saginaw County, Michigan.
Alert Details
The National Weather Service in Detroit/Pontiac MI has issued a Flood Warning for the Cass River at Frankenmuth. The alert follows overnight thunderstorms that produced significant rainfall across the drainage basin.
Affected Areas
The warning specifically affects the Cass River at Frankenmuth within Saginaw County. The broader drainage basin includes areas near Cass City, Vassar, and Frankenmuth.
What You Should Do
Residents and travelers in the affected area should follow these safety instructions:
- Turn around, don't drown: Do not attempt to drive through flooded roads. Most flood-related deaths occur in vehicles.
- Avoid flooded areas: Stay away from riverbanks and low-lying areas.
- Stay informed: Monitor local weather updates. The next official statement is expected to be issued by 6:00 PM EDT this evening.
Expected Conditions
Moderate flooding is forecast for the region.
- Rainfall: Thunderstorms overnight produced 1 to 3 inches of rain. Additional rainfall of less than an inch is expected today.
- River Levels: As of 8:45 AM EDT Wednesday, the river stage was 15.1 feet.
- Flood Stage: The flood stage for this location is 17.0 feet.
- Forecast Crest: The river is expected to rise above flood stage late this afternoon, reaching a crest of 20.4 feet by Thursday evening.
Timeline
The Flood Warning is effective starting Wednesday afternoon, March 11, 2026, and will remain in effect until further notice. The river is expected to rise above flood stage late this afternoon.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.