Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI

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FLUS43 KGRR 220826
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
426 AM EDT Fri Aug 22 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-230830-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
426 AM EDT Fri Aug 22 2025

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

.DAY ONE...Today and Tonight

There is a low chance for thunderstorms late tonight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Thunderstorms will be possible Saturday and again Sunday night
into Monday. Thunderstorms are not expected to be severe but will
be capable of lightning and on Monday could also include small
hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ844>849-230830-
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-
426 AM EDT Fri Aug 22 2025

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

.DAY ONE...Today and Tonight

There is a low chance for thunderstorms late tonight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Thunderstorms will be possible Saturday. There is another chance
for thunderstorms and even waterspouts Sunday night into Monday.
Winds and waves are expected to increase beginning Saturday and
will remain at hazardous levels for swimmers and small craft
through at least Monday.


.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$