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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Muskegon, Muskegon County Airport (KMKG)

Lat: 43.17°NLon: 86.24°WElev: 627ft.

Mostly Cloudy

64°F

18°C

Humidity 84%
Wind Speed Calm
Barometer 30.25 in (1024.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Sep 8:55 pm EDT
Extended Forecast for

Muskegon County Airport MI

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northeast wind around 6 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 73. East northeast wind 6 to 9 mph.

    High: 73 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Cloudy, with a low around 54. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 66. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. East northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 8am. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Monday Night

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

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northeast wind around 6 mph.
Friday
Increasing clouds, with a high near 73. East northeast wind 6 to 9 mph.
Friday Night
A chance of showers before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Cloudy, with a low around 54. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers, with thunderstorms also possible after 11am. High near 66. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. East northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
A chance of showers after 8am. Mostly cloudy, with a high near 65.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Muskegon County Airport MI
 43.19°N 86.27°W (Elev. 620 ft)
Last Update:
9:03 pm EDT Sep 17, 2026
Forecast Valid:
9pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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