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

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Overcast

17°F

-8°C

Humidity 78%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 11 Dec 6:15 am CST
Extended Forecast for

Mukwonago WI

  • Today

    Today: Increasing clouds, with a high near 22. West wind around 5 mph becoming calm in the afternoon.

    High: 22 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 10. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 24. Light northwest wind becoming west 5 to 10 mph in the morning.

    High: 24 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Wind chill values between -10 and -20. West wind 10 to 15 mph.

    Low: -1 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly cloudy and cold, with a high near 4. West wind around 15 mph.

    High: 4 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around -9. Northwest wind around 10 mph.

    Low: -9 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 7. Northwest wind 5 to 10 mph.

    High: 7 °F

    Cold

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around -5. Southwest wind 5 to 10 mph.

    Low: -5 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 22. West wind around 5 mph becoming calm in the afternoon.
Tonight
A slight chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 10. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 24. Light northwest wind becoming west 5 to 10 mph in the morning.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Wind chill values between -10 and -20. West wind 10 to 15 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 4. West wind around 15 mph.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around -9. Northwest wind around 10 mph.
Sunday
Sunny and cold, with a high near 7. Northwest wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around -5. Southwest wind 5 to 10 mph.
Monday
Partly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.31°W (Elev. 787 ft)
Last Update:
5:07 am CST Dec 11, 2025
Forecast Valid:
6am CST Dec 11, 2025-6pm CST Dec 17, 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