Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI

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FLUS43 KGRR 181442
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
1040 AM EDT Tue Jun 18 2024

MIZ037>040-043>046-050>052-056>059-064>067-071>074-190800-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
1040 AM EDT Tue Jun 18 2024

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

.DAY ONE...This Afternoon and Tonight

Heat indices will increase up to around 100 degrees this afternoon.
This will create the potential for heat related illnesses.

Scattered thunderstorms are possible this afternoon and evening for
areas away from Lake Michigan. An isolated severe thunderstorm is
possible with damaging winds the main threat. Locally heavy
downpours will be possible as well.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Prolonged impacts of heat and humidity this week will increase
potential for heat related illnesses through Saturday.

Isolated thunderstorms will be possible mainly during the afternoon
and evening hours for areas away from Lake Michigan through
Saturday. Severe weather is not expected. Locally heavy downpours
with slow moving storms will be the main threat, along with
lightning. A better chance for more widespread thunderstorms could
come Saturday night or Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ844>849-190800-
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-
1040 AM EDT Tue Jun 18 2024

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

.DAY ONE...This Afternoon and Tonight

Winds and waves will increase this afternoon and produce hazardous
conditions for swimmers and boaters north of Muskegon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Winds and waves will produce hazardous conditions for swimmers and
boaters north of Muskegon Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$