National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Muskegon, Muskegon County Airport (KMKG)

Lat: 43.17°NLon: 86.24°WElev: 627ft.

A Few Clouds

55°F

13°C

Humidity 93%
Wind Speed NE 7 mph
Barometer 30.31 in (1026.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 18 Sep 7:55 am EDT
Extended Forecast for

Grand Haven MI

  • Today

    Today: Mostly sunny, with a high near 72. East northeast wind 7 to 9 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Cloudy, with a low around 51. East wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 66. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 66 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 53. East northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 68. East northeast wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 72. East northeast wind 7 to 9 mph.
Tonight
Showers likely, mainly after 4am. Cloudy, with a low around 51. East wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 66. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers likely. Cloudy, with a low around 53. East northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 68. East northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 64.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 47.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Haven MI
 43.06°N 86.22°W (Elev. 617 ft)
Last Update:
8:03 am EDT Sep 18, 2026
Forecast Valid:
8am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation