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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Overcast

10°F

-12°C

Humidity 72%
Wind Speed W 9 mph
Barometer 30.04 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 1 Jan 8:45 am CST
Extended Forecast for

Delafield WI

  • New Year's Day

    New Year's Day: Snow, mainly between 11am and 3pm. High near 17. Wind chill values between zero and 5. West wind around 5 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 17 °F

    Chance Snow
    then Snow

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values between zero and 5. West wind around 5 mph.

    Low: 8 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 19. Wind chill values between zero and 10. Northwest wind 5 to 10 mph.

    High: 19 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12. West wind around 5 mph becoming calm in the evening.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 24. Calm wind becoming west around 5 mph.

    High: 24 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. West wind around 5 mph becoming calm.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 26. Calm wind becoming south around 5 mph.

    High: 26 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20. South wind around 5 mph.

    Low: 20 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

New Year's Day
Snow, mainly between 11am and 3pm. High near 17. Wind chill values between zero and 5. West wind around 5 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values between zero and 5. West wind around 5 mph.
Friday
Sunny, with a high near 19. Wind chill values between zero and 10. Northwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 12. West wind around 5 mph becoming calm in the evening.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 24. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 8. West wind around 5 mph becoming calm.
Sunday
Increasing clouds, with a high near 26. Calm wind becoming south around 5 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. South wind around 5 mph.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delafield WI
 43.06°N 88.39°W (Elev. 889 ft)
Last Update:
9:02 am CST Jan 1, 2026
Forecast Valid:
9am CST Jan 1, 2026-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation