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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Mostly Cloudy

63°F

17°C

Humidity 68%
Wind Speed S 14 G 18 mph
Barometer 29.73 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 May 11:15 pm EDT
Extended Forecast for

South Haven MI

  • Tonight

    Tonight: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 44. Breezy, with a southwest wind 11 to 20 mph becoming west northwest after midnight. Winds could gust as high as 31 mph.

    Low: 44 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 32 mph.

    High: 54 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. North northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. North northwest wind 7 to 9 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 44. Breezy, with a southwest wind 11 to 20 mph becoming west northwest after midnight. Winds could gust as high as 31 mph.
Wednesday
Partly sunny, with a high near 54. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 43. North northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 59. North northwest wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 45. Calm wind becoming south southeast around 5 mph after midnight.
Friday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 72.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 54.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 78.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 55.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
Showers likely. Partly sunny, with a high near 84.
Monday Night
Showers likely. Mostly cloudy, with a low around 58.
Tuesday
A chance of showers. Mostly cloudy, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Haven MI
 42.39°N 86.28°W (Elev. 636 ft)
Last Update:
11:04 pm EDT May 12, 2026
Forecast Valid:
11pm EDT May 12, 2026-6pm EDT May 19, 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