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

22°F

-6°C

Humidity 81%
Wind Speed N 6 mph
Barometer 30.32 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 28 Feb 10:10 pm CST
Extended Forecast for

Mukwonago WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. North wind around 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. Northeast wind around 5 mph becoming east in the afternoon.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. East wind around 5 mph becoming calm.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain after midnight, mixing with snow after 2am. Mostly cloudy, with a low around 30. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow likely, becoming all rain after 7am. Cloudy, with a high near 43. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 33. Northeast wind around 5 mph.

    Low: 33 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Partly sunny, with a high near 45. East wind around 5 mph.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain and thunderstorms, then a chance of rain after midnight. Increasing clouds, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Slight Chance
    T-storms then
    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 17. North wind around 5 mph.
Sunday
Partly sunny, with a high near 31. Northeast wind around 5 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 18. East wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph.
Monday Night
A chance of rain after midnight, mixing with snow after 2am. Mostly cloudy, with a low around 30. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Tuesday
Rain and snow likely, becoming all rain after 7am. Cloudy, with a high near 43. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33. Northeast wind around 5 mph.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 45. East wind around 5 mph.
Wednesday Night
A slight chance of rain and thunderstorms, then a chance of rain after midnight. Increasing clouds, with a low around 35. Chance of precipitation is 30%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 60.
Friday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
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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:
9:52 pm CST Feb 28, 2026
Forecast Valid:
10pm CST Feb 28, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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