390
FLUS43 KGRR 250735
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
335 AM EDT Wed Jun 25 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-260745-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
335 AM EDT Wed Jun 25 2025

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

.DAY ONE...Today and Tonight

Thunderstorms are possible this morning through the afternoon.
Additional chances for thunderstorms move in late tonight.

Heavy rainfall is possible with any thunderstorm and could cause
flooding if storms track over the same area.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thunderstorms are expected Thursday into Friday and again Sunday
into Tuesday. Heavy rainfall with thunderstorms could cause minor
flooding.

Heat index values may approach 100 Thursday, Friday, and Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ844>849-260745-
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-
335 AM EDT Wed Jun 25 2025

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

.DAY ONE...Today and Tonight

Thunderstorms are possible this morning through the afternoon.
Additional chances for thunderstorms move in late tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thunderstorms are expected Thursday into Friday and Sunday into
Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$