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

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fog

39°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 29.65 in
Dewpoint 39°F (4°C)
Visibility 0.25 mi
Last update 28 Dec 8:45 am CST
Extended Forecast for

Hartland WI

Wind Advisory December 28, 06:00pm until December 29, 06:00pm
Winter Weather Advisory December 28, 06:00pm until December 29, 12:00pm
Dense Fog Advisory December 28, 09:33am until December 28, 12:00pm
Click here for hazard details and duration
Wind Advisory
Winter Weather Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory December 28, 09:33am until December 28, 12:00pm

    NOW until 12:00pm Sun

    Dense Fog Advisory

  • Today

    High: 43 °F

    Rain Likely
    and Areas
    Dense Fog
    then Rain and
    Areas Fog

  • Tonight

    Tonight: Rain and snow, becoming all snow after 9pm. Patchy blowing snow after 10pm. Low around 18. Windy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 8am. Areas of blowing snow. Temperature falling to around 16 by 5pm. Wind chill values between zero and 5. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 21 °F⇓

    Snow and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 11pm. Partly cloudy, with a low around 8. Wind chill values between -5 and zero. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26. West wind 10 to 15 mph.

    High: 26 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. West wind around 10 mph.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 25. Northwest wind 10 to 15 mph.

    High: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Northwest wind 5 to 10 mph.

    Low: 8 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Today
Rain, mainly after 10am. Areas of dense fog. High near 43. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain and snow, becoming all snow after 9pm. Patchy blowing snow after 10pm. Low around 18. Windy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow, mainly before 8am. Areas of blowing snow. Temperature falling to around 16 by 5pm. Wind chill values between zero and 5. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
Patchy blowing snow before 11pm. Partly cloudy, with a low around 8. Wind chill values between -5 and zero. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26. West wind 10 to 15 mph.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. West wind around 10 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 25. Northwest wind 10 to 15 mph.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Northwest wind 5 to 10 mph.
New Year's Day
Mostly sunny, with a high near 15.
Thursday Night
Mostly clear, with a low around 5.
Friday
Mostly sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
9:08 am CST Dec 28, 2025
Forecast Valid:
9am CST Dec 28, 2025-6pm CST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation