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

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

39°F

4°C

Humidity 81%
Wind Speed E 2 mph
Barometer 29.94 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 Mar 1:55 am EDT
Extended Forecast for

4 Miles SSE South Haven MI

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 39. East northeast wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 61. East southeast wind 6 to 11 mph becoming south southwest in the afternoon.

    High: 61 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 52. North wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 52 °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.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Tuesday Night

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

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 39. East northeast wind around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 61. East southeast wind 6 to 11 mph becoming south southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 52. 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.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A chance of showers. Mostly cloudy, with a high near 54.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE South Haven MI
 42.34°N 86.26°W (Elev. 663 ft)
Last Update:
2:03 am EDT Mar 21, 2026
Forecast Valid:
2am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation