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

25°F

-4°C

Humidity 76%
Wind Speed SE 6 mph
Barometer 30.17 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 9 Feb 2:35 am CST
Extended Forecast for

Mukwonago WI

  • Overnight

    Overnight: Cloudy, with a low around 21. Calm wind becoming southeast around 5 mph.

    Low: 21 °F

    Cloudy

  • Monday

    Monday: Cloudy, with a high near 36. South wind around 5 mph.

    High: 36 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Northwest wind 5 to 10 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 18. Calm wind.

    Low: 18 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph.

    High: 35 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Cloudy, with a low around 21. Calm wind becoming southeast around 5 mph.
Monday
Cloudy, with a high near 36. South wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 31. South wind 5 to 10 mph becoming northwest after midnight.
Tuesday
Partly sunny, with a high near 38. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 21. Northwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 18. Calm wind.
Thursday
Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 24.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 39.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 38.
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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:
2:22 am CST Feb 9, 2026
Forecast Valid:
2am CST Feb 9, 2026-6pm CST Feb 15, 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