Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Last Update: 346 AM EDT Wed Sep 9 2026

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Grand Rapids, MI Local Forecast Office

7NM SW Saugatuck MI

Marine Zone Forecast

Rest Of Tonight
South winds 10 to 15 knots. Cloudy with a chance of showers and thunderstorms. Waves 1 to 2 feet.
Wednesday
Southwest winds 15 to 25 knots. Rain showers and a chance of thunderstorms. Waves 3 to 5 feet.
Wednesday Night
West winds 10 to 20 knots veering northwest after midnight. Partly cloudy. Waves 2 to 4 feet.
Thursday
North winds 10 to 15 knots. Mostly sunny. Waves 2 to 4 feet.
Thursday Night
North winds 10 to 15 knots veering southeast 5 to 10 knots after midnight. Mostly clear. Waves 1 to 3 feet.
Friday
Southeast winds 5 to 10 knots veering south early in the afternoon. Sunny. Waves 1 foot or less.
Saturday
South winds 15 to 20 knots veering southwest 10 to 15 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.
Sunday
North winds 5 to 10 knots backing northwest early in the afternoon. Mostly sunny. Waves 1 to 2 feet.



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346 AM EDT Wed Sep 9 2026
 
 

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