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

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Overcast

25°F

-4°C

Humidity 61%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 6 Dec 8:15 pm CST
Extended Forecast for

Mukwonago WI

Winter Weather Advisory December 6, 10:00pm until December 7, 08:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after 11pm. The snow could be heavy at times. Low around 17. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Heavy Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 20 by noon, then falling to around 13 during the remainder of the day. North wind 5 to 10 mph.

    High: 20 °F⇓

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 4. Wind chill values between -5 and zero. North wind around 5 mph becoming calm in the evening.

    Low: 4 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 23. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 23 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 15. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 36 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow. Low around 29. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before noon, then a chance of snow showers. Mostly cloudy, with a high near 34. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Snow, mainly after 11pm. The snow could be heavy at times. Low around 17. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Sunday
A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 20 by noon, then falling to around 13 during the remainder of the day. North wind 5 to 10 mph.
Sunday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 4. Wind chill values between -5 and zero. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 23. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and snow. Low around 29. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of rain and snow showers before noon, then a chance of snow showers. Mostly cloudy, with a high near 34. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 11.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 24.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 6.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 15.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around -1.
Saturday
Partly sunny, with a high near 11.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.34°W (Elev. 791 ft)
Last Update:
7:37 pm CST Dec 6, 2025
Forecast Valid:
8pm CST Dec 6, 2025-6pm CST Dec 13, 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