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.

Rain

37°F

3°C

Humidity 93%
Wind Speed E 10 mph
Barometer 29.88 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 4 Apr 5:15 am CDT
Extended Forecast for

Sussex WI

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Cloudy, with a low around 34. East wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am. Cloudy, with a high near 51. Breezy, with a southeast wind 10 to 15 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 51 °F

    Chance
    Showers then
    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 30. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 51. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 51 °F

    Decreasing
    Clouds and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 34. West wind 5 to 10 mph.

    Low: 34 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 44 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. North wind 5 to 15 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40. North wind around 5 mph becoming southeast in the afternoon.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 34. East wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am. Cloudy, with a high near 51. Breezy, with a southeast wind 10 to 15 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 30. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 51. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 34. West wind 5 to 10 mph.
Monday
Partly sunny, with a high near 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 20. North wind 5 to 15 mph.
Tuesday
Sunny, with a high near 40. North wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
A chance of snow showers after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers before 10am, then a slight chance of rain showers. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 59.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
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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:
3:33 am CDT Apr 4, 2026
Forecast Valid:
5am CDT Apr 4, 2026-6pm CDT Apr 10, 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