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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

27°F

-3°C

Humidity 50%
Wind Speed W 8 mph
Barometer 29.96 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 2 Jan 8:35 pm EST
Extended Forecast for

4 Miles N Decatur MI

  • Tonight

    Tonight: Increasing clouds, with a temperature rising to around 19 by 5am. Calm wind.

    Low: 16 °F⇑

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy, with a high near 30. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 30 °F

    Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 1am. Mostly cloudy, with a low around 20. West wind around 6 mph becoming calm in the evening.

    Low: 20 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. Calm wind becoming west southwest around 5 mph.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. Calm wind becoming south around 6 mph after midnight.

    Low: 22 °F

    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a temperature rising to around 19 by 5am. Calm wind.
Saturday
Cloudy, with a high near 30. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of snow showers before 1am. Mostly cloudy, with a low around 20. West wind around 6 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 30. Calm wind becoming west southwest around 5 mph.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. Calm wind becoming south around 6 mph after midnight.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of showers. Mostly cloudy, with a high near 48.
Thursday Night
Showers likely. Mostly cloudy, with a low around 39.
Friday
A chance of showers. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Decatur MI
 42.17°N 85.98°W (Elev. 758 ft)
Last Update:
8:03 pm EST Jan 2, 2026
Forecast Valid:
8pm EST Jan 2, 2026-6pm EST Jan 9, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation