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

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Overcast

16°F

-9°C

Humidity 79%
Wind Speed W 6 mph
Barometer 29.88 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 1 Jan 10:15 pm CST
Extended Forecast for

Hartland WI

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values between zero and 5. West wind around 5 mph.

    Low: 7 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 18. Wind chill values between -5 and 5. Northwest wind 5 to 10 mph.

    High: 18 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. Northwest wind around 5 mph becoming calm in the evening.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 23. Calm wind becoming west around 5 mph.

    High: 23 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 9. West wind around 5 mph becoming calm.

    Low: 9 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 27. Calm wind becoming south around 5 mph.

    High: 27 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 21. South wind around 5 mph.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 38. Southwest wind around 5 mph becoming calm in the afternoon.

    High: 38 °F

    Partly Sunny

  • Monday Night

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

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values between zero and 5. West wind around 5 mph.
Friday
Sunny, with a high near 18. Wind chill values between -5 and 5. Northwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 11. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 23. Calm wind becoming west around 5 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 9. West wind around 5 mph becoming calm.
Sunday
Increasing clouds, with a high near 27. Calm wind becoming south around 5 mph.
Sunday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 21. South wind around 5 mph.
Monday
Partly sunny, with a high near 38. Southwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
8:48 pm CST Jan 1, 2026
Forecast Valid:
10pm CST Jan 1, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation