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

47°F

8°C

Humidity 56%
Wind Speed SW 8 mph
Barometer 29.66 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 9 Mar 6:55 am CDT
Extended Forecast for

Mukwonago WI

  • Today

    Today: Sunny, with a high near 68. Southwest wind 10 to 15 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. East wind around 5 mph becoming calm.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 52. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 52 °F

    Patchy Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Areas of fog before 1am. Low around 34. Northeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Showers and
    Areas Fog

  • Wednesday

    Wednesday: Rain showers likely before 10am, then rain and snow showers likely between 10am and 4pm, then a chance of snow showers after 4pm. Cloudy, with a high near 40. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 24. Northwest wind 5 to 10 mph.

    Low: 24 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Increasing clouds, with a high near 44. West wind 5 to 10 mph becoming southwest in the afternoon.

    High: 44 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain and snow. Low around 33. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: A slight chance of rain and snow before 1pm. Mostly sunny, with a high near 44. Breezy. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 68. Southwest wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 40. East wind around 5 mph becoming calm.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 52. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Showers and possibly a thunderstorm. Areas of fog before 1am. Low around 34. Northeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain showers likely before 10am, then rain and snow showers likely between 10am and 4pm, then a chance of snow showers after 4pm. Cloudy, with a high near 40. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 24. Northwest wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 44. West wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Rain and snow. Low around 33. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of rain and snow before 1pm. Mostly sunny, with a high near 44. Breezy. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A chance of rain and snow. Cloudy, with a high near 43. Chance of precipitation is 40%.
Saturday Night
Rain and snow likely. Cloudy, with a low around 31. Chance of precipitation is 60%.
Sunday
Rain and snow likely. Cloudy, with a high near 42. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.34°W (Elev. 791 ft)
Last Update:
6:49 am CDT Mar 9, 2026
Forecast Valid:
7am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation