Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
007 FLUS43 KGRR 180940 HWOGRR Hazardous Weather Outlook National Weather Service Grand Rapids MI 540 AM EDT Wed Jun 18 2025 MIZ037>040-043>046-050>052-056>059-064>067-071>074-190945- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 540 AM EDT Wed Jun 18 2025 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Thunderstorms will be possible off and on through this evening. Storms are not expected to be severe this morning. The potential for storms to become severe will increase this afternoon, with the highest potential between 2 pm and 8 pm. Areas south of Interstate 96 will have the best chance of severe weather. The main threat will be strong winds, with a smaller chance of large hail, and an isolated tornado. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday There is a small chance of a storm late Thursday afternoon. Severe weather is not expected. Hot and humid conditions will develop this weekend and continue into early next week. This could case heat related issues for vulnerable populations. .SPOTTER INFORMATION STATEMENT... Spotter activation will be possible late this afternoon and evening, especially south of I-96. $$ LMZ844>849-190945- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 540 AM EDT Wed Jun 18 2025 This hazardous weather outlook is for the nearshore waters from St Joseph to Manistee. .DAY ONE...Today and Tonight Thunderstorms will be possible off and on through this evening. Storms are not expected to be severe this morning. The potential for storms to become severe will increase this afternoon, with the highest potential between 2 pm and 5 pm. Areas south of Muskegon will have the best chance of severe weather. The main threat will be strong winds, with a smaller chance of large hail, and an isolated waterspout. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday There is a small chance of a storm late Thursday afternoon. Severe weather is not expected. .SPOTTER INFORMATION STATEMENT... Spotter activation will be possible late this afternoon and evening, especially south of I-96. $$