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.

Overcast

27°F

-3°C

Humidity 64%
Wind Speed S 12 mph
Barometer 30.29 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 8 Dec 12:45 pm CST
Extended Forecast for

Sussex WI

  • This Afternoon

    This Afternoon: A chance of flurries before 3pm. Mostly cloudy, with a high near 28. South wind 5 to 10 mph.

    High: 28 °F

    Chance
    Flurries

  • Tonight

    Tonight: Snow likely before 1am, then snow and freezing rain likely between 1am and 4am, then a chance of freezing rain after 4am. Cloudy, with a low around 17. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Slight Chance
    Snow then
    Wintry Mix
    Likely

  • Tuesday

    Tuesday: A chance of freezing rain before 8am, then a slight chance of snow after 5pm. Cloudy, with a high near 32. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance
    Freezing Rain
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Rain and snow. Low around 30. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a temperature falling to around 25 by 5pm. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 33 °F⇓

    Snow Likely
    and Breezy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 5. Northwest wind 5 to 10 mph.

    Low: 5 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 19. West wind around 5 mph.

    High: 19 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 5. West wind 5 to 10 mph.

    Low: 5 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 15.

    High: 15 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of flurries before 3pm. Mostly cloudy, with a high near 28. South wind 5 to 10 mph.
Tonight
Snow likely before 1am, then snow and freezing rain likely between 1am and 4am, then a chance of freezing rain after 4am. Cloudy, with a low around 17. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Tuesday
A chance of freezing rain before 8am, then a slight chance of snow after 5pm. Cloudy, with a high near 32. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and snow. Low around 30. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a temperature falling to around 25 by 5pm. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 5. Northwest wind 5 to 10 mph.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 19. West wind around 5 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 5. West wind 5 to 10 mph.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 15.
Friday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around -5.
Saturday
Mostly sunny and cold, with a high near 6.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -5.
Sunday
Mostly sunny, with a high near 14.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
1:27 pm CST Dec 8, 2025
Forecast Valid:
1pm CST Dec 8, 2025-6pm CST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation