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

45°F

7°C

Humidity 48%
Wind Speed NW 14 G 18 mph
Barometer 30.10 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Apr 12:35 pm CDT
Extended Forecast for

Mukwonago WI

  • This Afternoon

    This Afternoon: Scattered sprinkles before 1pm. Partly sunny, with a high near 46. Northwest wind 10 to 15 mph.

    High: 46 °F

    Scattered
    Sprinkles

  • Tonight

    Tonight: Widespread frost after midnight. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 27. Northwest wind 5 to 10 mph becoming light northeast in the evening.

    Low: 27 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 52. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 52 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South wind 5 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Southwest wind around 10 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Southeast wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered sprinkles before 1pm. Partly sunny, with a high near 46. Northwest wind 10 to 15 mph.
Tonight
Widespread frost after midnight. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 27. Northwest wind 5 to 10 mph becoming light northeast in the evening.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 52. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 70. Southwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 70. Northeast wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 51. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 62.
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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:
12:27 pm CDT Apr 19, 2026
Forecast Valid:
12pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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