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.

Fair

10°F

-12°C

Humidity 56%
Wind Speed NW 6 mph
Barometer 30.30 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 29 Jan 4:45 pm CST
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 1. Wind chill values between -10 and zero. Northwest wind around 5 mph.

    Low: 1 °F

    Mostly Cloudy

  • Friday

    Friday: Snow showers, mainly before 2pm. High near 15. Wind chill values between -5 and -15. North wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 15 °F

    Snow Showers
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 7. Wind chill values between -5 and zero. Northwest wind around 10 mph.

    Low: 7 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 22. Wind chill values between -5 and 5. North wind 5 to 10 mph.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4. Northwest wind around 5 mph becoming calm.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Southwest wind around 5 mph.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Likely

  • Monday

    Monday: Partly sunny, with a high near 26. Northwest wind 5 to 10 mph.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 1. Wind chill values between -10 and zero. Northwest wind around 5 mph.
Friday
Snow showers, mainly before 2pm. High near 15. Wind chill values between -5 and -15. North wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 7. Wind chill values between -5 and zero. Northwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 22. Wind chill values between -5 and 5. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 4. Northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 25. Southwest wind around 5 mph.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 26. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 25.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 25.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 26.
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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:
3:13 pm CST Jan 29, 2026
Forecast Valid:
5pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
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