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

9°F

-13°C

Humidity 78%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 3 Feb 11:35 pm CST
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 24. Calm wind becoming northwest around 5 mph.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 11. Calm wind becoming west around 5 mph after midnight.

    Low: 11 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.

    High: 31 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 27. West wind 5 to 15 mph.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Mostly cloudy, with a high near 36. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 36 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 8. North wind 5 to 10 mph.

    Low: 8 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 26. Calm wind becoming south around 5 mph in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. Calm wind.
Wednesday
Sunny, with a high near 24. Calm wind becoming northwest around 5 mph.
Wednesday Night
Increasing clouds, with a low around 11. Calm wind becoming west around 5 mph after midnight.
Thursday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.
Thursday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 27. West wind 5 to 15 mph.
Friday
Mostly cloudy, with a high near 36. Northwest wind around 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 8. North wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 26. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
11:22 pm CST Feb 3, 2026
Forecast Valid:
11pm CST Feb 3, 2026-6pm CST Feb 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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