Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Last Update: 116 PM EDT Thu Aug 13 2026

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Grand Rapids, MI Local Forecast Office

7NM SW Saugatuck MI

Marine Zone Forecast

Through Early Evening
Northwest winds 5 to 10 knots. Cloudy. Waves less than 1 foot.
Tonight
North winds 5 to 10 knots veering east after midnight. Mostly cloudy with a slight chance of rain showers in the evening, then partly cloudy after midnight. Waves less than 1 foot.
Friday
East winds around 10 knots. Partly sunny with a slight chance of rain showers. Waves less than 1 foot.
Friday Night
North winds 5 to 10 knots veering east 10 to 15 knots in the late evening and overnight. Partly cloudy with a chance of rain showers. Waves around 1 foot.
Saturday
Southeast winds 10 to 15 knots. Rain showers likely and a chance of thunderstorms. Waves 1 foot or less.
Saturday Night
South winds 10 to 15 knots veering southwest after midnight. Rain showers and a chance of thunderstorms. Waves 1 to 2 feet.
Sunday
West winds 15 to 20 knots veering northwest 10 to 15 knots early in the afternoon. Mostly cloudy with a chance of showers and thunderstorms. Waves 1 to 3 feet.
Monday
North winds 10 to 15 knots backing northwest 15 to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 2 feet.
Tuesday
Southwest winds 5 to 10 knots. Mostly sunny. Waves 1 foot or less.



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116 PM EDT Thu Aug 13 2026
 
 

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