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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

55°F

13°C

Humidity 88%
Wind Speed S 2 mph
Barometer 29.84 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Jun 11:35 pm EDT
Extended Forecast for

South Haven MI

  • Tonight

    Tonight: Mostly clear, with a low around 60. West wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 74. West northwest wind 10 to 13 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 61. Calm wind becoming southwest around 6 mph after midnight.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Sunny, with a high near 76. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 76 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Light northwest wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. West wind 6 to 8 mph.
Juneteenth
Sunny, with a high near 74. West northwest wind 10 to 13 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 61. Calm wind becoming southwest around 6 mph after midnight.
Saturday
A 30 percent chance of showers before 8am. Sunny, with a high near 76. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 60. Light northwest wind.
Sunday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 78.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 74.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Haven MI
 42.41°N 86.28°W (Elev. 597 ft)
Last Update:
11:04 pm EDT Jun 18, 2026
Forecast Valid:
11pm EDT Jun 18, 2026-6pm EDT Jun 25, 2026
 
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