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 72%
Wind Speed NW 6 mph
Barometer 30.16 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 May 1:35 am CDT
Extended Forecast for

4 Miles SE Mukwonago WI

  • Overnight

    Overnight: Partly cloudy, with a low around 45. Northwest wind 5 to 10 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. North wind 5 to 10 mph becoming east in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Northeast wind 5 to 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57. East wind around 10 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Northeast wind around 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 61. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Cloudy, with a low around 48. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 45. Northwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 59. North wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 41. Northeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 57. East wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 44. Northeast wind around 10 mph.
Friday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 61. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Cloudy, with a low around 48. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Mukwonago WI
 42.84°N 88.29°W (Elev. 892 ft)
Last Update:
1:34 am CDT May 20, 2026
Forecast Valid:
2am CDT May 20, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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