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

52°F

11°C

Humidity 47%
Wind Speed W 12 G 17 mph
Barometer 29.92 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 12 Nov 6:35 pm EST
Extended Forecast for

Decatur MI

  • Tonight

    Tonight: Mostly clear, with a low around 32. West wind 8 to 13 mph becoming light west northwest after midnight.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 50. Light west wind increasing to 5 to 9 mph in the morning.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 57. Calm wind becoming south southeast around 6 mph in the morning.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. South southeast wind 3 to 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 32. West wind 8 to 13 mph becoming light west northwest after midnight.
Thursday
Sunny, with a high near 50. Light west wind increasing to 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 31. Calm wind.
Friday
Sunny, with a high near 57. Calm wind becoming south southeast around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 40. South southeast wind 3 to 6 mph.
Saturday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 64.
Saturday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 45.
Monday Night
A chance of showers. Mostly cloudy, with a low around 29.
Tuesday
A chance of showers. Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.98°W (Elev. 781 ft)
Last Update:
6:03 pm EST Nov 12, 2025
Forecast Valid:
6pm EST Nov 12, 2025-6pm EST Nov 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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