Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Last Update: 1049 PM EDT Tue Aug 18 2026

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Grand Rapids, MI Local Forecast Office

7NM NW Ludington MI

Marine Zone Forecast

Rest Of Tonight
West winds 5 to 15 knots veering north after midnight. Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Waves 2 to 4 feet.
Wednesday
North winds 5 to 15 knots. Sunny. Waves 1 to 2 feet.
Wednesday Night
Northeast winds 5 to 10 knots veering southeast in the late evening and overnight. Mostly clear. Waves 1 foot or less.
Thursday
South winds 5 to 15 knots veering southwest early in the afternoon. Sunny. Waves around 1 foot.
Thursday Night
South winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet.
Friday
Southwest winds 15 to 25 knots. Partly sunny with a chance of rain showers. Waves 2 to 4 feet building to 3 to 5 feet in the late morning and afternoon.
Saturday
Northwest winds 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet.
Sunday
North winds 15 to 25 knots. Sunny. Waves 3 to 5 feet.



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1049 PM EDT Tue Aug 18 2026
 
 

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