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

18°F

-8°C

Humidity 93%
Wind Speed SW 9 G 17 mph
Barometer 29.95 in
Dewpoint 16°F (-9°C)
Visibility 7.00 mi
Wind Chill7°F (-14°C)
Last update 2 Dec 3:45 pm CST
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 3am. Cloudy, with a low around 18. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Cloudy then
    Chance Snow

  • Wednesday

    Wednesday: Snow likely before 2pm, then a chance of flurries between 2pm and 3pm. Cloudy, with a high near 28. Southwest wind around 15 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Snow Likely
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -2. Wind chill values between -5 and -15. Northwest wind around 10 mph.

    Low: -2 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 13. Wind chill values between -5 and -15. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 13 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1. Southwest wind 5 to 10 mph.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 21. Southwest wind around 10 mph.

    High: 21 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Southwest wind 5 to 10 mph.

    Low: 13 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24. West wind around 5 mph.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Chance Snow

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly after 3am. Cloudy, with a low around 18. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Snow likely before 2pm, then a chance of flurries between 2pm and 3pm. Cloudy, with a high near 28. Southwest wind around 15 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around -2. Wind chill values between -5 and -15. Northwest wind around 10 mph.
Thursday
Sunny, with a high near 13. Wind chill values between -5 and -15. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 1. Southwest wind 5 to 10 mph.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 21. Southwest wind around 10 mph.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Southwest wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 24. West wind around 5 mph.
Saturday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 9.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 21.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 7.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 23.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
3:12 pm CST Dec 2, 2025
Forecast Valid:
4pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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