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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. 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 61%
Wind Speed SW 14 G 18 mph
Barometer 30.03 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 12 Jan 5:35 pm EST
Extended Forecast for

South Haven MI

  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 37. Southwest wind 13 to 15 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers before 1pm, then a chance of drizzle after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 1am, then rain and snow showers likely. Mostly cloudy, with a low around 25. West wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow showers. High near 34. Breezy, with a north northwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 34 °F

    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 16. Blustery, with a north wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Snow Showers
    Likely and
    Blustery

  • Thursday

    Thursday: A 50 percent chance of snow showers before 1pm. Partly sunny, with a high near 26.

    High: 26 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Friday

    Friday: Snow showers. Cloudy, with a high near 32.

    High: 32 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers. Cloudy, with a low around 21.

    Low: 21 °F

    Snow Showers

Detailed Forecast

Tonight
Increasing clouds, with a steady temperature around 37. Southwest wind 13 to 15 mph.
Tuesday
A chance of showers before 1pm, then a chance of drizzle after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of rain showers before 1am, then rain and snow showers likely. Mostly cloudy, with a low around 25. West wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Snow showers. High near 34. Breezy, with a north northwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 16. Blustery, with a north wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
A 50 percent chance of snow showers before 1pm. Partly sunny, with a high near 26.
Thursday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Friday
Snow showers. Cloudy, with a high near 32.
Friday Night
Snow showers. Cloudy, with a low around 21.
Saturday
Snow showers. Cloudy, with a high near 26.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 13.
Sunday
Snow showers likely. Mostly cloudy, with a high near 21.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 13.
M.L.King Day
Snow showers likely. Mostly cloudy, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
South Haven MI
 42.41°N 86.28°W (Elev. 597 ft)
Last Update:
5:03 pm EST Jan 12, 2026
Forecast Valid:
5pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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