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

39°F

4°C

Humidity 81%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 Feb 9:45 am CST
Extended Forecast for

Sussex WI

  • Today

    Today: Mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Calm wind becoming southwest around 5 mph after midnight.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 48. West wind around 5 mph becoming calm in the afternoon.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 57. Southwest wind 5 to 15 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. West wind around 5 mph becoming east after midnight.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. East wind 5 to 10 mph.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely. Mostly cloudy, with a low around 40. East wind around 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 49. Calm wind.
Tonight
Partly cloudy, with a low around 32. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Sunny, with a high near 48. West wind around 5 mph becoming calm in the afternoon.
Sunday Night
Partly cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 57. Southwest wind 5 to 15 mph.
Monday Night
Partly cloudy, with a low around 35. West wind around 5 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 48. East wind 5 to 10 mph.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 40. East wind around 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 53.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
10:38 am CST Feb 14, 2026
Forecast Valid:
10am CST Feb 14, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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