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

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

14°F

-10°C

Humidity 85%
Wind Speed W 6 mph
Barometer 30.16 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 3 Feb 2:55 am CST
Extended Forecast for

Sussex WI

  • Overnight

    Overnight: Mostly clear, with a low around 10. North wind around 5 mph.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. North wind around 5 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 5. North wind around 5 mph becoming calm.

    Low: 5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. Calm wind becoming northwest around 5 mph.

    High: 23 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 9. Calm wind becoming west around 5 mph after midnight.

    Low: 9 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow. Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.

    High: 31 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 26. West wind around 10 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Friday

    Friday: Partly sunny, with a high near 37. Northwest wind 10 to 15 mph.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 10. North wind around 5 mph.
Tuesday
Sunny, with a high near 22. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 5. North wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 23. Calm wind becoming northwest around 5 mph.
Wednesday Night
Increasing clouds, with a low around 9. Calm wind becoming west around 5 mph after midnight.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26. West wind around 10 mph.
Friday
Partly sunny, with a high near 37. Northwest wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 29.
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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:
3:06 am CST Feb 3, 2026
Forecast Valid:
3am CST Feb 3, 2026-6pm CST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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