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.

Mostly Cloudy

10°F

-12°C

Humidity 61%
Wind Speed W 18 G 24 mph
Barometer 30.10 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 28 Jan 1:45 pm CST
Extended Forecast for

Sussex WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 12. Wind chill values between -5 and zero. West wind 10 to 15 mph.

    High: 12 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -5. Wind chill values between -10 and -15. Northwest wind 5 to 10 mph.

    Low: -5 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 11. Wind chill values between -5 and -15. Northwest wind around 5 mph.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1. Wind chill values between -10 and zero. Light northwest wind becoming north 5 to 10 mph after midnight.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 15. North wind 10 to 15 mph.

    High: 15 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. Northwest wind around 10 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 21. North wind 5 to 10 mph.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5. Northwest wind around 5 mph becoming calm in the evening.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 12. Wind chill values between -5 and zero. West wind 10 to 15 mph.
Tonight
Mostly clear, with a low around -5. Wind chill values between -10 and -15. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 11. Wind chill values between -5 and -15. Northwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 1. Wind chill values between -10 and zero. Light northwest wind becoming north 5 to 10 mph after midnight.
Friday
A 30 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 15. North wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around 6. Northwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 21. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 5. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 25.
Sunday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 26.
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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:
1:47 pm CST Jan 28, 2026
Forecast Valid:
2pm CST Jan 28, 2026-6pm CST Feb 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation