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.

Overcast

64°F

18°C

Humidity 73%
Wind Speed NE 9 mph
Barometer 30.21 in (1023.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Sep 7:55 pm EDT
Extended Forecast for

Muskegon MI

  • Tonight

    Tonight: Showers, mainly after 11pm. Low around 52. East wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 66. East wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 66 °F

    Heavy Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 55. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 69. Northeast wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. Northeast wind around 9 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 66.

    High: 66 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 11pm. Low around 52. East wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 66. East wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 55. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 69. Northeast wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 50. Northeast wind around 9 mph, with gusts as high as 20 mph.
Monday
Cloudy, with a high near 66.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Muskegon MI
 43.23°N 86.24°W (Elev. 623 ft)
Last Update:
8:03 pm EDT Sep 18, 2026
Forecast Valid:
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 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