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

Ludington, Mason County Airport (KLDM)

Lat: 43.97°NLon: 86.4°WElev: 646ft.

Fair

63°F

17°C

Humidity 88%
Wind Speed N 3 mph
Barometer 30.26 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Sep 9:15 pm EDT
Extended Forecast for

Pentwater MI

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Northeast wind around 6 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 71. East northeast wind 5 to 7 mph.

    High: 71 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 52. East northeast wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 66. East southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm. Cloudy, with a low around 53. East northeast wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Partly sunny, 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 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 49.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Northeast wind around 6 mph.
Friday
Increasing clouds, with a high near 71. East northeast wind 5 to 7 mph.
Friday Night
Showers likely, mainly after 11pm. Cloudy, with a low around 52. East northeast wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers, with thunderstorms also possible after 11am. High near 66. East southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely, mainly before 8pm. Cloudy, with a low around 53. East northeast wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
A 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 49.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pentwater MI
 43.78°N 86.43°W (Elev. 600 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

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