Flood Advisory — Shiawassee County, Michigan
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 22 at 8:38AM EDT until August 22 at 11:45AM EDT by NWS Detroit/Pontiac MI
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southern Shiawassee County in southeastern Michigan... * WHEN...Until 1145 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 837 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Overflowing poor drainage areas have already caused minor flooding in the advisory area. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Durand, Perry, Laingsburg, Morrice, Byron, Bancroft, Bennington and Shaftsburg. - http://www.weather.gov/safety/flood
Effective August 22, 2026 at 8:38 AM ET · Expires August 22, 2026 at 11:45 AM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Detroit/Pontiac MI
Expires
August 22, 2026 at 11:45 AM ET
Last Checked
2 hours ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
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Get Flood Advisory Alerts for Shiawassee County
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Frequently Asked Questions
What does a Flood Advisory mean for Shiawassee County, Michigan?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (2 hours ago). It's set to expire August 22, 2026 at 11:45 AM ET.
How do I get notified about Flood Advisory alerts for Shiawassee County?
Download StormCast free on Google Play and set Shiawassee County, Michigan as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.