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

Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

73°F

23°C

Humidity 89%
Wind Speed SW 8 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 9 Sep 10:15 pm EDT
Extended Forecast for

South Haven MISimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 70. West southwest wind around 7 mph becoming northwest after midnight.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then becoming sunny during the afternoon, with a high near 75. North wind 6 to 8 mph.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. North wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Light and variable wind becoming southeast around 5 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Calm wind becoming southeast 5 to 7 mph in the evening.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 70. West southwest wind around 7 mph becoming northwest after midnight.
Thursday
Mostly cloudy, then becoming sunny during the afternoon, with a high near 75. North wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 55. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. Light and variable wind becoming southeast around 5 mph.
Friday Night
Mostly clear, with a low around 60. Calm wind becoming southeast 5 to 7 mph in the evening.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 82.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
A chance of showers. Mostly cloudy, with a high near 75.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58.
Wednesday
A chance of showers. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
South Haven MISimilar City Names
 42.41°N 86.28°W (Elev. 597 ft)
Last Update:
10:03 pm EDT Sep 9, 2026
Forecast Valid:
10pm EDT Sep 9, 2026-6pm EDT Sep 16, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation