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

59°F

15°C

Humidity 94%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Jun 5:45 am CDT
Extended Forecast for

Sussex WI

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 73. Northwest wind 5 to 10 mph.

    High: 73 °F

    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71. East wind 5 to 10 mph.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northeast wind around 5 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 77. East wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59. East wind around 5 mph.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84. Southeast wind 5 to 15 mph.

    High: 84 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Southeast wind around 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 73. Northwest wind 5 to 10 mph.
Tonight
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 71. East wind 5 to 10 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Northeast wind around 5 mph.
Saturday
Sunny, with a high near 77. East wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59. East wind around 5 mph.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84. Southeast wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 71. Southeast wind around 10 mph.
Monday
Mostly sunny and hot, with a high near 94.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Mostly sunny and hot, with a high near 95.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94.
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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:
6:01 am CDT Jun 25, 2026
Forecast Valid:
6am CDT Jun 25, 2026-6pm CDT Jul 1, 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