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 Rain

59°F

15°C

Humidity 63%
Wind Speed SW 7 G 16 mph
Barometer 29.95 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 8 Apr 10:55 pm CDT
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then showers likely between 3am and 4am. Low around 44. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 59. West wind 10 to 15 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly before 5am. Low around 40. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Showers

  • Friday

    Friday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 54. North wind around 5 mph.

    High: 54 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. Northeast wind around 5 mph becoming calm.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 45. Southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63. Breezy. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am, then showers likely between 3am and 4am. Low around 44. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 59. West wind 10 to 15 mph.
Thursday Night
Showers, mainly before 5am. Low around 40. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 54. North wind around 5 mph.
Friday Night
Mostly clear, with a low around 33. Northeast wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 53. Light southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 45. Southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63. Breezy. Chance of precipitation is 60%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 46.
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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:
10:26 pm CDT Apr 8, 2026
Forecast Valid:
11pm CDT Apr 8, 2026-6pm CDT Apr 15, 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