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

36°F

2°C

Humidity 81%
Wind Speed NW 14 G 25 mph
Barometer 29.98 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 11 Mar 5:45 pm CDT
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: A 20 percent chance of snow before 7pm. Mostly cloudy during the early evening, then clearing, with a low around 27. Northwest wind 5 to 10 mph.

    Low: 27 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 44. West wind 5 to 10 mph.

    High: 44 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain and snow, mainly before 2am. Low around 33. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 45 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow and
    Windy

  • Friday

    Friday: A 10 percent chance of rain before 7am. Partly sunny, with a high near 42. Very windy, with a west wind 25 to 35 mph, with gusts as high as 45 mph.

    High: 42 °F

    Very Windy.
    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 39 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. Low around 29. East wind 5 to 15 mph. Chance of precipitation is 80%.

    Low: 29 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Rain and snow. High near 37. Breezy, with an east wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 37 °F

    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain before 1am, then a chance of snow. Low around 15. Windy. Chance of precipitation is 80%.

    Low: 15 °F

    Rain/Snow and
    Windy

Detailed Forecast

Tonight
A 20 percent chance of snow before 7pm. Mostly cloudy during the early evening, then clearing, with a low around 27. Northwest wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 44. West wind 5 to 10 mph.
Thursday Night
Rain and snow, mainly before 2am. Low around 33. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 45 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
A 10 percent chance of rain before 7am. Partly sunny, with a high near 42. Very windy, with a west wind 25 to 35 mph, with gusts as high as 45 mph.
Friday Night
Partly cloudy, with a low around 24. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.
Saturday
Mostly cloudy, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Snow, mainly after 1am. Low around 29. East wind 5 to 15 mph. Chance of precipitation is 80%.
Sunday
Rain and snow. High near 37. Breezy, with an east wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Snow, possibly mixed with rain before 1am, then a chance of snow. Low around 15. Windy. Chance of precipitation is 80%.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 22. Blustery.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Sunny, with a high near 25.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 36.
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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:
5:42 pm CDT Mar 11, 2026
Forecast Valid:
6pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation