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

27°F

-3°C

Humidity 50%
Wind Speed NE 10 mph
Barometer 30.54 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 7 Apr 8:45 am CDT
Extended Forecast for

Sussex WI

  • Today

    Today: Sunny, with a high near 39. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: A chance of snow showers after 3am, mixing with rain after 5am. Increasing clouds, with a low around 28. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Showers likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Breezy.
    Showers
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers, mainly before 4am. Low around 45. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers

  • Thursday

    Thursday: A slight chance of showers before 7am, then a slight chance of showers after 1pm. Mostly sunny, with a high near 60. West wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 60 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 55. North wind around 5 mph.

    High: 55 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Northeast wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 39. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Tonight
A chance of snow showers after 3am, mixing with rain after 5am. Increasing clouds, with a low around 28. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers, mainly before 4am. Low around 45. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers before 7am, then a slight chance of showers after 1pm. Mostly sunny, with a high near 60. West wind 10 to 15 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 55. North wind around 5 mph.
Friday Night
Partly cloudy, with a low around 34. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 72.
Sunday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
8:56 am CDT Apr 7, 2026
Forecast Valid:
9am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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