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.

Mostly Cloudy

51°F

11°C

Humidity 38%
Wind Speed NW 8 mph
Barometer 30.06 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 2 May 1:15 pm CDT
Extended Forecast for

Mukwonago WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. West wind 5 to 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. North wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. West wind 5 to 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. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, 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:
12:31 pm CDT May 2, 2026
Forecast Valid:
1pm CDT May 2, 2026-6pm CDT May 8, 2026
 
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