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

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Overcast

48°F

9°C

Humidity 71%
Wind Speed W 10 mph
Barometer 30.00 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 1 Nov 10:15 am EDT
Extended Forecast for

4 Miles WNW Decatur MI

  • Today

    Today: A 40 percent chance of showers, mainly between 11am and 3pm. Partly sunny, with a high near 50. West wind around 7 mph.

    High: 50 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 38. South southwest wind around 6 mph.

    Low: 38 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 55. West wind 10 to 13 mph, with gusts as high as 26 mph.

    High: 55 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of showers, mainly between 11am and 3pm. Partly sunny, with a high near 50. West wind around 7 mph.
Tonight
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 32. Calm wind.
Sunday
Sunny, with a high near 54. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 38. South southwest wind around 6 mph.
Monday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 55. West wind 10 to 13 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40.
Friday
A chance of showers. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Decatur MI
 42.13°N 86.04°W (Elev. 797 ft)
Last Update:
10:03 am EDT Nov 1, 2025
Forecast Valid:
10am EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
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