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.

Light Drizzle

34°F

1°C

Humidity 93%
Wind Speed NE 15 G 21 mph
Barometer 30.08 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 3 Apr 10:55 pm CDT
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 34. Southeast wind 5 to 10 mph becoming east 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 34 °F

    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am. Cloudy, with a high near 54. Breezy, with an east 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 30%.

    High: 54 °F

    Chance
    Showers then
    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 49 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 34. West wind 5 to 10 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 46. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 46 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. North wind 5 to 15 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 41. North wind 5 to 10 mph becoming southeast in the afternoon.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers after 1am. Increasing clouds, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 34. Southeast wind 5 to 10 mph becoming east 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am. Cloudy, with a high near 54. Breezy, with an east 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 30%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 34. West wind 5 to 10 mph.
Monday
Partly sunny, with a high near 46. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 21. North wind 5 to 15 mph.
Tuesday
Sunny, with a high near 41. North wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
A 30 percent chance of snow showers after 1am. Increasing clouds, with a low around 29.
Wednesday
A chance of rain and snow showers before 10am, then a chance of rain showers. Partly sunny, 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 45.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 61.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.12°N 88.21°W (Elev. 899 ft)
Last Update:
10:46 pm CDT Apr 3, 2026
Forecast Valid:
11pm CDT Apr 3, 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