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

59°F

15°C

Humidity 29%
Wind Speed SW 16 G 23 mph
Barometer 29.70 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 27 Feb 3:45 pm CST
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: Mostly clear, with a low around 24. West wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Snow, mainly before 3pm. High near 28. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °F

    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. North wind 5 to 10 mph.

    Low: 16 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

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

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14. Northeast wind around 5 mph becoming calm.

    Low: 14 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. Southeast wind 5 to 10 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 27. Southeast wind around 5 mph.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 39. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 40%.

    High: 39 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 24. West wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Saturday
Snow, mainly before 3pm. High near 28. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 20 percent chance of snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. North wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 28. North wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 14. Northeast wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 37. Southeast wind 5 to 10 mph.
Monday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 27. Southeast wind around 5 mph.
Tuesday
A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 39. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 28.
Wednesday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 44.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Thursday
Rain likely. Cloudy, with a high near 47. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 35.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
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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:
3:34 pm CST Feb 27, 2026
Forecast Valid:
4pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation