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

55°F

13°C

Humidity 77%
Wind Speed SW 15 G 20 mph
Barometer 29.77 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 5 Nov 7:15 am EST
Extended Forecast for

Decatur MI

  • Today

    Today: A slight chance of showers between 3pm and 4pm. Partly sunny, with a temperature rising to near 58 by 11am, then falling to around 49 during the remainder of the day. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    High: 58 °F⇓

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 32. West northwest wind 3 to 7 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 55. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 55 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers after 1am. Low around 41. South southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: Showers, mainly before 1pm. High near 60. West wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Rain showers before 1am, then rain and snow showers. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Showers then
    Rain/Snow

  • Sunday

    Sunday: Rain and snow showers likely, becoming all snow after 1pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
A slight chance of showers between 3pm and 4pm. Partly sunny, with a temperature rising to near 58 by 11am, then falling to around 49 during the remainder of the day. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 32. West northwest wind 3 to 7 mph.
Thursday
Increasing clouds, with a high near 55. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Showers after 1am. Low around 41. South southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 1pm. High near 60. West wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 35.
Saturday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 48.
Saturday Night
Rain showers before 1am, then rain and snow showers. Mostly cloudy, with a low around 29.
Sunday
Rain and snow showers likely, becoming all snow after 1pm. Mostly cloudy, with a high near 39.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
Monday
A chance of snow showers. Mostly cloudy, with a high near 37.
Monday Night
Mostly cloudy, with a low around 24.
Veterans Day
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.98°W (Elev. 781 ft)
Last Update:
7:03 am EST Nov 5, 2025
Forecast Valid:
7am EST Nov 5, 2025-6pm EST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation