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.

Fair

25°F

-4°C

Humidity 62%
Wind Speed NE 5 mph
Barometer 30.23 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 3 Feb 12:35 pm CST
Extended Forecast for

Mukwonago WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 24. North wind around 5 mph.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 5. North wind around 5 mph becoming calm in the evening.

    Low: 5 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Wind chill values between zero and 10. Northwest wind around 5 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 10. Calm wind becoming southwest around 5 mph after midnight.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.

    High: 31 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 25. Southwest wind 5 to 10 mph.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Mostly cloudy, with a high near 38. Northwest wind 10 to 15 mph.

    High: 38 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 8. North wind 5 to 10 mph.

    Low: 8 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 24. North wind around 5 mph.
Tonight
Mostly clear, with a low around 5. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 24. Wind chill values between zero and 10. Northwest wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 10. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.
Thursday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 25. Southwest wind 5 to 10 mph.
Friday
Mostly cloudy, with a high near 38. Northwest wind 10 to 15 mph.
Friday Night
Mostly clear, with a low around 8. North wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 25.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.34°W (Elev. 791 ft)
Last Update:
12:21 pm CST Feb 3, 2026
Forecast Valid:
12pm CST Feb 3, 2026-6pm CST Feb 9, 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