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

67°F

19°C

Humidity 38%
Wind Speed W 10 G 18 mph
Barometer 29.66 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 3 May 6:15 pm CDT
Extended Forecast for

Mukwonago WI

  • Tonight

    Tonight: Mostly clear, with a low around 44. Southwest wind 5 to 10 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 76. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Sunny then
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 44. Northwest wind around 10 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly cloudy, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Cloudy
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 7am. Otherwise, partly sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Areas Frost
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 3am. Otherwise, mostly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Cloudy
    then Areas
    Frost

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Areas of frost before 7am. Otherwise, partly sunny, with a high near 56. Light west wind increasing to 10 to 15 mph in the morning.

    High: 56 °F

    Areas Frost
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Southwest wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 76. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
A chance of showers and thunderstorms before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 44. Northwest wind around 10 mph. Chance of precipitation is 50%.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 55. Northwest wind 5 to 10 mph.
Tuesday Night
Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Areas of frost before 7am. Otherwise, partly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Wednesday Night
Areas of frost after 3am. Otherwise, mostly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Areas of frost before 7am. Otherwise, partly sunny, with a high near 56. Light west wind increasing to 10 to 15 mph in the morning.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 37.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 66.
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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:
5:05 pm CDT May 3, 2026
Forecast Valid:
6pm CDT May 3, 2026-6pm CDT May 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation