940
FLUS43 KGRR 250830
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
430 AM EDT Fri Jul 25 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-260830-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
430 AM EDT Fri Jul 25 2025

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms will be possible both today and tonight. The
strongest of storms today will be capable of wind gusts to 40 mph
and torrential rain as well as lightning. The 200pm to 1000pm
time frame is favored for storms today especially near and south
of Interstate 96.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Thunderstorms are in the forecast for both Saturday and Monday.
Strong to severe storms look to be possible on both days.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ844>849-260830-
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-
430 AM EDT Fri Jul 25 2025

This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.

.DAY ONE...Today and Tonight

Thunderstorms will be possible today and tonight over Lake
Michigan, especially from Muskegon to the south. Wind gusts to 30
knots, torrential rain and lightning will be the threats.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Thunderstorms are possible on Saturday and again on Monday. Strong
to severe storms may occur both days.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

DUKE