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

52°F

11°C

Humidity 37%
Wind Speed NW 8 mph
Barometer 30.04 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 2 May 2:15 pm CDT
Extended Forecast for

Mukwonago WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. West wind around 10 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Southwest wind 5 to 10 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 63. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West wind 5 to 10 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 56. North wind 5 to 10 mph.

    High: 56 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. West wind around 10 mph.
Tonight
Increasing clouds, with a low around 42. Southwest wind 5 to 10 mph.
Sunday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 63. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 42. West wind 5 to 10 mph.
Monday
A 20 percent chance of showers after 1pm. Sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 50%.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 56. North wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 58.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 37.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 63.
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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:
2:36 pm CDT May 2, 2026
Forecast Valid:
2pm CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation