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

36°F

2°C

Humidity 70%
Wind Speed NE 14 G 22 mph
Barometer 30.23 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 1 Apr 5:45 pm CDT
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: A chance of rain between 10pm and 1am, then rain or freezing rain. Low around 32. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.

    Low: 32 °F

    Chance Rain
    then
    Rain/Freezing
    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before 7am, then showers and possibly a thunderstorm, mainly after 7am. High near 64. East wind around 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Low around 41. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 51. West wind 5 to 10 mph becoming east in the afternoon.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 39. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 54. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 54 °F

    Chance
    T-storms then
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: 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

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain between 10pm and 1am, then rain or freezing rain. Low around 32. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.
Thursday
Rain and possibly a thunderstorm before 7am, then showers and possibly a thunderstorm, mainly after 7am. High near 64. East wind around 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Low around 41. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 51. West wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Showers and possibly a thunderstorm. Low around 39. East wind around 10 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 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 54. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 47. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 32.
Monday
A slight chance of rain and snow showers before 10am, then a slight chance of rain showers. Mostly sunny, with a high near 48. Chance of precipitation is 20%.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
A slight chance of rain and snow showers. Partly sunny, with a high near 53. Chance of precipitation is 20%.
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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:
6:12 pm CDT Apr 1, 2026
Forecast Valid:
6pm CDT Apr 1, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation