Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

64°F

18°C

Humidity 46%
Wind Speed S 7 mph
Barometer 29.65 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 8:35 pm EDT
Extended Forecast for

4 Miles SSE South Haven MI

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 2pm.  Mostly cloudy, with a temperature falling to around 43 by 4pm. North wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 50 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. North wind 8 to 11 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Northwest wind 7 to 9 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Light and variable wind.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Sunday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a temperature falling to around 43 by 4pm. North wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 30. North wind 8 to 11 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 39. Northwest wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 28. Light and variable wind.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A chance of showers. Partly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE South Haven MI
 42.34°N 86.26°W (Elev. 663 ft)
8:03 pm EDT Mar 21, 2026
8pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
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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