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

84°F

29°C

Humidity 45%
Wind Speed SW 6 mph
Barometer 30.13 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Oct 1:15 pm EDT
Extended Forecast for

Decatur MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. South southwest wind around 7 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. South wind around 7 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. West southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, then showers and possibly a thunderstorm after 8pm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Tuesday

    Tuesday: Showers, mainly before 2pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. South southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 60. Light south wind.
Sunday
Sunny, with a high near 84. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 62. South wind around 7 mph.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. West southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers, then showers and possibly a thunderstorm after 8pm. Low around 55. Chance of precipitation is 80%.
Tuesday
Showers, mainly before 2pm. High near 67. Chance of precipitation is 80%.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Clear, with a low around 36.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.98°W (Elev. 781 ft)
Last Update:
1:03 pm EDT Oct 4, 2025
Forecast Valid:
1pm EDT Oct 4, 2025-6pm EDT Oct 10, 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