Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Partly Cloudy

73°F

23°C

Humidity 61%
Wind Speed Vrbl 6 mph
Barometer 30.15 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Aug 11:55 am EDT
Extended Forecast for

South Haven MI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 79. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm.  Mostly clear, with a low around 66. West southwest wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Thursday Night

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

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 76. Calm wind becoming west around 5 mph.
Tonight
Partly cloudy, with a low around 61. Calm wind becoming south 5 to 7 mph after midnight.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly clear, with a low around 66. West southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 76. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 81.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 69.
Monday
A chance of showers. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
South Haven MI
 42.41°N 86.28°W (Elev. 597 ft)
12:03 pm EDT Aug 25, 2026
12pm EDT Aug 25, 2026-6pm EDT Aug 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database