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

Hazardous Weather Conditions

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

61°F

16°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Jun 12:35 am EDT
Extended Forecast for

4 Miles WNW Decatur MI

  • Overnight

    Overnight: Mostly clear, with a low around 61. Southwest wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 83. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. South wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 92. Heat index values as high as 98. South southwest wind 10 to 14 mph, with gusts as high as 30 mph.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South southwest wind 10 to 13 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Southwest wind 3 to 5 mph.
Friday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 83. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. South wind 8 to 10 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny and hot, with a high near 92. Heat index values as high as 98. South southwest wind 10 to 14 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 75. South southwest wind 10 to 13 mph, with gusts as high as 28 mph.
Sunday
Sunny and hot, with a high near 93.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A chance of showers after 2pm. Mostly sunny and hot, with a high near 91.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Thursday
A chance of showers. Mostly sunny, with a high near 87.
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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:
12:03 am EDT Jun 20, 2025
Forecast Valid:
12am EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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