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.

Fair

32°F

0°C

Humidity 87%
Wind Speed SE 7 mph
Barometer 30.33 in
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Wind Chill25°F (-4°C)
Last update 24 Dec 9:35 am EST
Extended Forecast for

Decatur MI

  • Today

    Today: Mostly cloudy, with a high near 41. Southeast wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 10pm and 1am. Cloudy, with a low around 33. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Showers
    Likely then
    Chance
    Showers

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 40. Calm wind becoming east northeast 5 to 8 mph in the morning.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely after 1am. Mostly cloudy, with a low around 30. East southeast wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers, mainly before 1pm. High near 44. Southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    High: 44 °F

    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of rain showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 44. Breezy.

    High: 44 °F

    Chance
    Showers then
    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 41. Southeast wind 3 to 8 mph. Winds could gust as high as 18 mph.
Tonight
Showers likely, mainly between 10pm and 1am. Cloudy, with a low around 33. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Mostly cloudy, with a high near 40. Calm wind becoming east northeast 5 to 8 mph in the morning.
Thursday Night
Showers likely after 1am. Mostly cloudy, with a low around 30. East southeast wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, mainly before 1pm. High near 44. Southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 46.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 35.
Sunday
A chance of rain showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 44. Breezy.
Sunday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 15. Blustery.
Monday
A chance of snow showers. Mostly cloudy, with a high near 21. Blustery.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 25.
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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:
9:03 am EST Dec 24, 2025
Forecast Valid:
9am EST Dec 24, 2025-6pm EST Dec 30, 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