Michigan Flash Flood Warning | Effective 04/13/2026 00:28

Headline: 
Flash Flood Warning issued April 13 at 3:28AM EDT until April 13 at 3:30PM EDT by NWS Gaylord MI
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 13, 2026 - 12:28am
Expires: 
April 13, 2026 - 12:30pm
Description: 
FFWAPX The National Weather Service in Gaylord has issued a * Flash Flood Warning for... A Dam Floodgate Release in... Western Alcona County in northern Michigan... East Central Oscoda County in northern Michigan... * Until 330 PM EDT Monday. * At 328 AM EDT, dam operators reported the floodgates on the Mio Dam were opened causing flash flooding downstream on the Au Sable River. HAZARD...Flash flooding from a dam floodgate release. SOURCE...Dam operator. IMPACT...Flooding of areas along the river immediately downstream of the dam. * The nearest downstream town is Mio and then McKinley...located about 9.5 miles from the dam. Areas downstream from the Mio Dam along the Au Sable River should be prepared for flooding. Flooding is occurring along the Au Sable River.
Instruction: 
If you are in low lying areas below the Mio Dam you should move to higher ground immediately. Do not attempt to drive across flooded roadways.
Area Description: 
Alcona, MI; Oscoda, MI
Forcast Office: 
NWS Gaylord MI
Sender: 
w-nws.webmaster@noaa.gov