National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Overcast

17°F

-8°C

Humidity 58%
Wind Speed S 5 mph
Barometer 30.13 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 17 Mar 8:55 pm CDT
Extended Forecast for

Mukwonago WI

  • Tonight

    Tonight: Snow before 5am, then snow likely, possibly mixed with freezing rain. Low around 16. South wind 5 to 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    then Wintry
    Mix

  • Wednesday

    Wednesday: Areas of snow and freezing rain before 7am. Mostly cloudy, with a high near 39. South wind around 10 mph. Chance of precipitation is 30%.

    High: 39 °F

    Areas Wintry
    Mix then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 32. Southwest wind around 5 mph.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 44. Southeast wind around 5 mph becoming north in the afternoon.

    High: 44 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. North wind around 5 mph becoming calm.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 52. Southwest wind 5 to 10 mph.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. North wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. Southwest wind 5 to 10 mph.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Snow before 5am, then snow likely, possibly mixed with freezing rain. Low around 16. South wind 5 to 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Areas of snow and freezing rain before 7am. Mostly cloudy, with a high near 39. South wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 32. Southwest wind around 5 mph.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 44. Southeast wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. North wind around 5 mph becoming calm.
Friday
Mostly cloudy, with a high near 52. Southwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 35. North wind around 5 mph.
Saturday
Partly sunny, with a high near 63. Southwest wind 5 to 10 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 46.
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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:
8:36 pm CDT Mar 17, 2026
Forecast Valid:
9pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation