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

37°F

3°C

Humidity 38%
Wind Speed SW 7 mph
Barometer 29.84 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 26 Feb 1:15 pm CST
Extended Forecast for

Mukwonago WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 41. Southwest wind around 10 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Southwest wind around 5 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Northwest wind 5 to 15 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Cloudy, with a high near 29. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Cloudy during the early evening, then gradual clearing, with a low around 13. North wind around 5 mph.

    Low: 13 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Mostly sunny, with a high near 29. North wind around 5 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Northeast wind around 5 mph.

    Low: 16 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny through mid morning, then becoming mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 41. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 27. Southwest wind around 5 mph.
Friday
Sunny, with a high near 59. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Partly cloudy, with a low around 24. Northwest wind 5 to 15 mph.
Saturday
Snow likely, mainly after noon. Cloudy, with a high near 29. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Cloudy during the early evening, then gradual clearing, with a low around 13. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 29. North wind around 5 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. Northeast wind around 5 mph.
Monday
Sunny through mid morning, then becoming mostly cloudy, with a high near 34.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 21.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.31°W (Elev. 787 ft)
Last Update:
12:52 pm CST Feb 26, 2026
Forecast Valid:
1pm CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation