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.

Overcast

32°F

0°C

Humidity 44%
Wind Speed S 12 mph
Barometer 29.89 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 26 Feb 11:45 am CST
Extended Forecast for

Sussex WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 39. Southwest wind around 10 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 5 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 58. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 58 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 27. North wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Slight Chance
    Snow then
    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. North wind around 5 mph.

    Low: 12 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 28. North wind around 5 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 16. East wind around 5 mph.

    Low: 16 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then becoming sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 39. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 28. West wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 58. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Partly cloudy, with a low around 23. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 27. North wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 28. North wind around 5 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. East wind around 5 mph.
Monday
Mostly cloudy through mid morning, then becoming sunny, with a high near 33.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 44.
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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:
11:22 am CST Feb 26, 2026
Forecast Valid:
12pm CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation