


Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
733 FLUS43 KGRR 170837 HWOGRR Hazardous Weather Outlook National Weather Service Grand Rapids MI 437 AM EDT Tue Jun 17 2025 MIZ037>040-043>046-050>052-056>059-064>067-071>074-180845- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 437 AM EDT Tue Jun 17 2025 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight There is a small chance of a thunderstorm this afternoon and tonight. Severe weather is not expected. The main threat will be cloud to ground lightning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Thunderstorms will be possible Wednesday through Wednesday evening. Storms early in the day are not expected to be severe. More widespread storms will develop late Wednesday afternoon and move through Wednesday evening. These storms are likely to become severe, especially along and south of Interstate 96. The most likely threat will be strong damaging winds. Large hail will be possible, and an isolated tornado or two will also be possible. Additional storms will be possible Friday through Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation is likely Wednesday afternoon and evening. $$ LMZ844>849-180845- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 437 AM EDT Tue Jun 17 2025 This hazardous weather outlook is for the nearshore waters from St Joseph to Manistee. .DAY ONE...Today and Tonight There is a small chance of a thunderstorm this afternoon and tonight. Severe weather is not expected. The main threat will be cloud to ground lightning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Thunderstorms will be possible Wednesday through Wednesday evening. Storms early in the day are not expected to be severe. More widespread storms will develop late Wednesday afternoon and move through Wednesday evening. These storms are likely to become severe, especially near Muskegon and areas south. The most likely threat will be strong damaging winds. Large hail will be possible, and an isolated waterspout or two will also be possible. Winds and waves will become hazardous to Small Craft and swimmers on Wednesday and Wednesday night. Additional storms will be possible Friday through Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation is likely Wednesday afternoon and evening. $$