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

58°F

14°C

Humidity 87%
Wind Speed E 10 mph
Barometer 30.32 in (1026.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 8:55 am EDT
Extended Forecast for

Grand Haven MI

  • Today

    Today: Mostly sunny, with a high near 70. Northeast wind 7 to 13 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Cloudy, with a low around 56. East wind 13 to 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °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 63. Breezy, with an east wind 17 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 63 °F

    Heavy Rain
    and Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. East northeast wind 14 to 17 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. East northeast wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers. Mostly cloudy, with a high near 61. Breezy.

    High: 61 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Cloudy and
    Breezy then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 70. Northeast wind 7 to 13 mph.
Tonight
Showers likely, mainly after 4am. Cloudy, with a low around 56. East wind 13 to 18 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 63. Breezy, with an east wind 17 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. East northeast wind 14 to 17 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. East northeast wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 61. Breezy.
Monday Night
Mostly cloudy, with a low around 49. Breezy.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Haven MI
 43.06°N 86.25°W (Elev. 577 ft)
Last Update:
8:03 am EDT Sep 18, 2026
Forecast Valid:
9am 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