402
FLUS43 KGRR 150903
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
503 AM EDT Wed Oct 15 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-160915-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
503 AM EDT Wed Oct 15 2025

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

.DAY ONE...Today and Tonight

Patchy frost is possible tonight for interior areas of Lower
Michigan, specifically along the U.S. 127 corridor.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thunderstorms are possible from Saturday into Saturday night along
and ahead of a cold front. At this time severe weather is not
expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ844>849-160915-
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-
503 AM EDT Wed Oct 15 2025

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

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Conditions hazardous to smaller craft are expected from Friday
through Sunday.

Thunderstorms are possible over Lake Michigan from Saturday into
Saturday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$