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

25°F

-4°C

Humidity 74%
Wind Speed NW 10 mph
Barometer 30.14 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 21 Feb 5:45 pm CST
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: A 30 percent chance of snow, mainly between 11pm and 1am. Cloudy, with a low around 18. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Chance Snow

  • Sunday

    Sunday: A slight chance of snow before 9am, then a chance of flurries between 9am and 2pm. Mostly cloudy, with a high near 26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 26 °F

    Blustery.
    Slight Chance
    Snow then
    Chance
    Flurries

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 14. Wind chill values between zero and 10. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 25. Wind chill values between zero and 10. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. Calm wind becoming south around 5 mph after midnight.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near 38. South wind 5 to 15 mph.

    High: 38 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. Southwest wind 5 to 10 mph becoming west after midnight.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 35. West wind around 10 mph.

    High: 35 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Partly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly between 11pm and 1am. Cloudy, with a low around 18. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of snow before 9am, then a chance of flurries between 9am and 2pm. Mostly cloudy, with a high near 26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 14. Wind chill values between zero and 10. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 25. Wind chill values between zero and 10. North wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 16. Calm wind becoming south around 5 mph after midnight.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 38. South wind 5 to 15 mph.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. Southwest wind 5 to 10 mph becoming west after midnight.
Wednesday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 35. West wind around 10 mph.
Wednesday Night
A 40 percent chance of snow. Partly cloudy, with a low around 18.
Thursday
A 30 percent chance of snow, mainly before noon. Mostly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Sunny, with a high near 48.
Friday Night
A slight chance of rain and snow. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 20%.
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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:
5:37 pm CST Feb 21, 2026
Forecast Valid:
6pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation