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

30°F

-1°C

Humidity 80%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 3 Mar 2:15 am CST
Extended Forecast for

Sussex WI

  • Overnight

    Overnight: A slight chance of freezing rain after 5am. Mostly cloudy, with a low around 28. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Freezing Rain

  • Tuesday

    Tuesday: A slight chance of freezing rain before 8am, then a slight chance of rain between 8am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 43. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Freezing
    Rain then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 49. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after midnight. Increasing clouds, with a low around 35. Calm wind becoming northeast around 5 mph after midnight.

    Low: 35 °F

    Partly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Cloudy, with a high near 46. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. Northeast wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Rain. High near 61. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain Likely
    then Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

Detailed Forecast

Overnight
A slight chance of freezing rain after 5am. Mostly cloudy, with a low around 28. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of freezing rain before 8am, then a slight chance of rain between 8am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 43. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 29. Calm wind.
Wednesday
Sunny, with a high near 49. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of rain after midnight. Increasing clouds, with a low around 35. Calm wind becoming northeast around 5 mph after midnight.
Thursday
Rain likely, mainly before noon. Cloudy, with a high near 46. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. Northeast wind around 5 mph becoming calm in the evening.
Friday
Rain. High near 61. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 80%.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
1:31 am CST Mar 3, 2026
Forecast Valid:
2am CST Mar 3, 2026-6pm CDT Mar 9, 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