Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Last Update: 936 AM EDT Mon Sep 21 2026

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Grand Rapids, MI Local Forecast Office

4NM W Muskegon MI

Marine Zone Forecast

Rest Of Today
Northeast winds 20 to 25 knots. Mostly cloudy. Waves 1 to 3 feet.
Tonight
Northeast winds 15 to 25 knots. Partly cloudy. Waves 1 to 2 feet.
Tuesday
Northeast winds 15 to 25 knots. Partly sunny. Waves 1 to 2 feet.
Tuesday Night
East winds 15 to 25 knots. Partly cloudy. Waves 1 to 2 feet.
Wednesday
East winds 15 to 20 knots. Mostly sunny. Waves 1 to 2 feet.
Thursday
East winds 10 to 20 knots. Mostly sunny. Waves around 1 foot.
Friday
East winds 5 to 15 knots backing northeast early in the afternoon. Mostly sunny. Waves 1 foot or less.



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936 AM EDT Mon Sep 21 2026
 
 

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