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.

Mostly Cloudy

34°F

1°C

Humidity 60%
Wind Speed E 9 mph
Barometer 30.15 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 14 Mar 2:45 pm CDT
Extended Forecast for

Sussex WI

Winter Storm Watch March 15, 04:00pm until March 16, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 39. Southeast wind around 10 mph.

    High: 39 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Rain and snow, becoming all rain after 3am. Low around 31. Breezy, with an east wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Snow Likely
    then
    Rain/Snow and
    Breezy

  • Sunday

    Sunday: A chance of rain, then rain and possibly a thunderstorm after 10am. High near 50. East wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: Rain and sleet, possibly mixed with snow before 10pm, then snow, possibly mixed with sleet between 10pm and 11pm, then snow after 11pm. Patchy blowing snow after 11pm. Low around 16. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. Widespread blowing snow, mainly between 10am and 1pm. High near 22. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 22 °F

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. West wind around 10 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 16. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 16 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 41.

    High: 41 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 39. Southeast wind around 10 mph.
Tonight
Rain and snow, becoming all rain after 3am. Low around 31. Breezy, with an east wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
A chance of rain, then rain and possibly a thunderstorm after 10am. High near 50. East wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Rain and sleet, possibly mixed with snow before 10pm, then snow, possibly mixed with sleet between 10pm and 11pm, then snow after 11pm. Patchy blowing snow after 11pm. Low around 16. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow, mainly before 1pm. Widespread blowing snow, mainly between 10am and 1pm. High near 22. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 22. West wind around 10 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 16. South wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 51.
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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:
2:37 pm CDT Mar 14, 2026
Forecast Valid:
3pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation