Michigan Flash Flood Watch | Effective 04/19/2026 10:37

Headline: 
Flash Flood Watch issued April 19 at 1:37PM EDT until April 20 at 12:00PM EDT by NWS Grand Rapids MI
Event: 
Flash Flood Watch
Urgency: 
Future
Effective: 
April 19, 2026 - 10:37am
Expires: 
April 20, 2026 - 9:00am
Description: 
* WHAT...Flash Flooding caused by a potential dam or levee failure continues to be possible at the Hesperia Dam. * WHERE...A portion of west central Michigan, including the following county, Oceana. * WHEN...Through Monday morning. * IMPACTS...Dam failure may result in flash flooding of low-lying areas below the dam. * ADDITIONAL DETAILS... - High flows will continue as runoff from recent heavy rains move down the river. River levels will slowly come down this week as no significant rain is expected. - http://www.weather.gov/safety/flood
Instruction: 
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Dam safety experts with state and local emergency services are monitoring the dam and will issue a public statement as conditions warrant. PLAN NOW so you will know what to do in an emergency. Keep informed by listening to local radio and television for statements and possible warnings. Follow the advice of public safety officials.
Area Description: 
Oceana
Forcast Office: 
NWS Grand Rapids MI