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

50°F

10°C

Humidity 64%
Wind Speed NE 12 G 18 mph
Barometer 29.60 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 22 Mar 4:35 am CDT
Extended Forecast for

Mukwonago WI

  • Today

    Today: A chance of sprinkles with a slight chance of rain before 11am, then a chance of sprinkles between 11am and 4pm. Mostly cloudy, with a temperature falling to around 40 by 5pm. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 43 °F⇓

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 24. North wind 10 to 15 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 44. North wind around 5 mph.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. East wind around 5 mph becoming south after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. South wind 5 to 10 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 53. East wind 5 to 10 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 41. Southeast wind around 5 mph.

    Low: 41 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain

Detailed Forecast

Today
A chance of sprinkles with a slight chance of rain before 11am, then a chance of sprinkles between 11am and 4pm. Mostly cloudy, with a temperature falling to around 40 by 5pm. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 24. North wind 10 to 15 mph.
Monday
Sunny, with a high near 44. North wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 28. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 53. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind around 5 mph.
Wednesday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 53. East wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 41. Southeast wind around 5 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 50.
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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:
3:32 am CDT Mar 22, 2026
Forecast Valid:
4am CDT Mar 22, 2026-6pm CDT Mar 28, 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