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

Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Mostly Cloudy

39°F

4°C

Humidity 42%
Wind Speed S 7 mph
Barometer 30.20 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Mar 2:35 pm EDT
Extended Forecast for

South Haven MI

Wind Advisory March 15, 11:00am until March 16, 12:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A 10 percent chance of snow showers after 5pm. Mostly cloudy, with a high near 41. Light north northeast wind.

    High: 41 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A chance of snow showers before 2am, then a chance of rain showers. Cloudy, with a low around 36. East southeast wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 36 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 59. South wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 2am, then rain, possibly mixed with snow showers. Some thunder is also possible. Low around 26. Breezy, with a south wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: Snow showers, possibly mixed with rain, becoming all snow after 8am. High near 32. Breezy, with a west northwest wind around 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 32 °F

    Breezy.
    Rain/Snow
    then Snow
    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before 2am. Cloudy, with a low around 19. Blustery. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 19 °F

    Snow Showers
    Likely and
    Blustery

  • Tuesday

    Tuesday: A 30 percent chance of snow showers before 8am. Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Snow showers likely after 2am. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy
    then Snow
    Showers
    Likely

  • Wednesday

    Wednesday: Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 40.

    High: 40 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
A 10 percent chance of snow showers after 5pm. Mostly cloudy, with a high near 41. Light north northeast wind.
Tonight
A chance of snow showers before 2am, then a chance of rain showers. Cloudy, with a low around 36. East southeast wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 59. South wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain showers before 2am, then rain, possibly mixed with snow showers. Some thunder is also possible. Low around 26. Breezy, with a south wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday
Snow showers, possibly mixed with rain, becoming all snow after 8am. High near 32. Breezy, with a west northwest wind around 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday Night
Snow showers likely, mainly before 2am. Cloudy, with a low around 19. Blustery. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday
A 30 percent chance of snow showers before 8am. Mostly cloudy, with a high near 27.
Tuesday Night
Snow showers likely after 2am. Mostly cloudy, with a low around 21.
Wednesday
Snow showers likely, mainly before 8am. Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Haven MI
 42.41°N 86.28°W (Elev. 597 ft)
Last Update:
2:21 pm EDT Mar 14, 2026
Forecast Valid:
2pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation