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

52°F

11°C

Humidity 100%
Wind Speed NE 2 mph
Barometer 30.31 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Sep 6:35 am EDT
Extended Forecast for

4 Miles SSW Pentwater MI

  • Today

    Today: Partly sunny, with a high near 70. Northeast wind 6 to 8 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am. Cloudy, with a low around 51. East southeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers before 1pm, then a chance of showers after 2pm. The rain could be heavy at times. High near 66. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Heavy Rain
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 52. East northeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 68. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 70. Northeast wind 6 to 8 mph.
Tonight
Showers likely, mainly after 2am. Cloudy, with a low around 51. East southeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers before 1pm, then a chance of showers after 2pm. The rain could be heavy at times. High near 66. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52. East northeast wind around 9 mph, with gusts as high as 18 mph.
Sunday
A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 68. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly cloudy, with a high near 65.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Pentwater MI
 43.74°N 86.46°W (Elev. 650 ft)
Last Update:
6:03 am EDT Sep 18, 2026
Forecast Valid:
6am 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