


Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
744 FLUS43 KGRR 290807 HWOGRR Hazardous Weather Outlook National Weather Service Grand Rapids MI 407 AM EDT Sun Jun 29 2025 MIZ037>040-043>046-050>052-056>059-064>067-071>074-300815- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 407 AM EDT Sun Jun 29 2025 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Some scattered thunderstorms are possible from this afternoon into tonight, but most areas will remain dry and severe storms are not anticipated. .DAYS TWO THROUGH SEVEN...Monday through Saturday A much better chance for thunderstorms exists on Monday and in fact storms are likely. Isolated severe storms cannot be ruled out with a few damaging wind gusts to 50 to 60 mph being the main threat. Locally heavy rain is likely. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$ LMZ844>849-300815- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 407 AM EDT Sun Jun 29 2025 This hazardous weather outlook is for the nearshore waters from St Joseph to Manistee. .DAY ONE...Today and Tonight A few storms are possible today and tonight over Lake Michigan north of Whitehall. Lightning will be the main threat to mariners from these storms. .DAYS TWO THROUGH SEVEN...Monday through Saturday A better chance for storms exists over all of Lake Michigan on Monday with wind gusts in excess of 35 knots and lightning possible. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$ DUKE