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

Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

37°F

3°C

Humidity 87%
Wind Speed S 7 mph
Barometer 29.81 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Jan 5:15 am CST
Extended Forecast for

Sussex WI

  • Today

    Today: Rain, mainly after 3pm. High near 49. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Partly Sunny
    then Rain

  • Tonight

    Tonight: Rain and thunderstorms before 4am, then a chance of rain. Low around 38. East wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Rain likely, mainly before 9am. Partly sunny, with a high near 42. Northwest wind 5 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain Likely
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Increasing clouds, with a low around 29. North wind around 5 mph becoming calm.

    Low: 29 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 34. Northeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 28. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 28 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Southwest wind 5 to 10 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly after 3pm. High near 49. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain and thunderstorms before 4am, then a chance of rain. Low around 38. East wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain likely, mainly before 9am. Partly sunny, with a high near 42. Northwest wind 5 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 snow after midnight. Increasing clouds, with a low around 29. North wind around 5 mph becoming calm.
Saturday
Snow likely. Mostly cloudy, with a high near 34. Northeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 28. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 20. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
4:43 am CST Jan 8, 2026
Forecast Valid:
5am CST Jan 8, 2026-6pm CST Jan 14, 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