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.

Overcast

75°F

24°C

Humidity 83%
Wind Speed S 12 mph
Barometer 29.75 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 16 Jul 11:55 pm EDT
Extended Forecast for

Decatur MI

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. West wind around 7 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly between 8am and 11am. Mostly cloudy, with a high near 78. Northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 78 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Northwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. East northeast wind 3 to 6 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. West wind around 7 mph. Chance of precipitation is 40%.
Thursday
A 30 percent chance of showers, mainly between 8am and 11am. Mostly cloudy, with a high near 78. Northwest wind around 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. Northwest wind 5 to 10 mph becoming northeast after midnight.
Friday
Mostly sunny, with a high near 80. East northeast wind 3 to 6 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 62. Light and variable wind.
Saturday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 64.
Sunday
Partly sunny, with a high near 84.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64.
Monday
A chance of showers. Partly sunny, with a high near 85.
Monday Night
A chance of showers. Partly cloudy, with a low around 68.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
Tuesday Night
A chance of thunderstorms. Mostly clear, with a low around 71.
Wednesday
Mostly sunny and hot, with a high near 93.
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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:
12:03 am EDT Jul 17, 2025
Forecast Valid:
12am EDT Jul 17, 2025-6pm EDT Jul 23, 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