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

64°F

18°C

Humidity 40%
Wind Speed SW 15 G 36 mph
Barometer 30.01 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Apr 2:45 pm CDT
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: Showers, mainly before 4am. Low around 44. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 57. West wind 10 to 15 mph.

    High: 57 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 39. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 52. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Showers
    Likely then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. Northeast wind around 5 mph becoming calm.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Light east wind becoming southeast 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 44. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers 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. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers, mainly before 4am. Low around 44. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 57. West wind 10 to 15 mph.
Thursday Night
Showers, mainly after 8pm. Low around 39. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 52. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 32. Northeast wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 53. Light east wind becoming southeast 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 44. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63. 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:
2:37 pm CDT Apr 8, 2026
Forecast Valid:
3pm 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