National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Mostly Cloudy

68°F

20°C

Humidity 88%
Wind Speed W 9 mph
Barometer 29.90 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Jun 8:45 am CDT
Extended Forecast for

Sussex WI

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. West wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely between 7am and 1pm. Partly sunny, with a high near 81. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind 10 to 15 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 92 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southwest wind around 15 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Juneteenth
Sunny, with a high near 81. West wind 5 to 10 mph.
Tonight
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 63. Southwest wind around 5 mph.
Friday
Showers likely between 7am and 1pm. Partly sunny, with a high near 81. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind 10 to 15 mph.
Saturday
Sunny and hot, with a high near 92. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 77. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny and hot, with a high near 95. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 76. Southwest wind around 15 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 94.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.21°W (Elev. 968 ft)
Last Update:
6:08 am CDT Jun 19, 2025
Forecast Valid:
9am CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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