WGUS63 KGRR 151817 FFAGRR URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Grand Rapids MI 217 PM EDT Wed Apr 15 2026 MIZ043-162030- /O.NEW.KGRR.FF.A.0001.260415T1817Z-260416T1200Z/ /00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ /O.CON.KGRR.FA.A.0002.000000T0000Z-260417T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Oceana- Including the cities of Hart 217 PM EDT Wed Apr 15 2026 ...FLASH FLOOD WATCH FOR THE POTENTIAL FAILURE OF HESPERIA DAM ON THE WHITE RIVER IN EFFECT THROUGH THURSDAY MORNING... * WHAT...Flash Flooding caused by a potential dam failure is possible at the Hesperia Dam. * WHERE...A portion of west central Michigan, including the following county, Oceana. * WHEN...Through Thursday morning. * IMPACTS...Dam failure may result in flash flooding of low-lying areas below the dam. * ADDITIONAL DETAILS... - Local officials and emergency management report water continues to rise rapidly on the White River in Hesperia. Water is currently flowing over the spillway of the Hesperia Dam, and may soon begin overtopping the dam itself. Water is already impacting the structure of the Divison Street bridge upstream of the dam. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of west central Michigan, including the following county, Oceana. * WHEN...Through late Thursday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Additional rain expected tonight may continue to increase expected floods on area rivers. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ MIZ037>040-044>046-050>052-162030- /O.CON.KGRR.FA.A.0002.000000T0000Z-260417T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mason-Lake-Osceola-Clare-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot- Including the cities of Ludington, Big Rapids, Baldwin, Reed City, Mount Pleasant, Muskegon, Fremont, Clare, Alma, and Greenville 217 PM EDT Wed Apr 15 2026 ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and west central Michigan, including the following counties, in central Michigan, Clare, Gratiot, Isabella, Mecosta, Montcalm and Osceola. In west central Michigan, Lake, Mason, Muskegon and Newaygo. * WHEN...Through late Thursday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Additional rain expected tonight may continue to increase expected floods on area rivers. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ MIZ056>059-064>067-071>074-162030- /O.CON.KGRR.FA.A.0002.000000T0000Z-260417T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-Ingham-Van Buren- Kalamazoo-Calhoun-Jackson- Including the cities of Jenison, Kalamazoo, Holland, Grand Haven, Charlotte, South Haven, Lansing, Grand Rapids, Jackson, Hastings, Ionia, Battle Creek, and St. Johns 217 PM EDT Wed Apr 15 2026 ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE THURSDAY NIGHT... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southwest Michigan, including the following counties, in south central Michigan, Calhoun, Clinton, Eaton, Ingham, Ionia and Jackson. In southwest Michigan, Allegan, Barry, Kalamazoo, Kent, Ottawa and Van Buren. * WHEN...Through late Thursday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Additional rain expected tonight may continue to increase expected floods on area rivers. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ AMD