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Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

66°F

19°C

Humidity 70%
Wind Speed E 12 mph
Barometer 29.85 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 5:15 pm CDT
Extended Forecast for

Mukwonago WI

Flood Watch April 17, 01:00pm until April 18, 07:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Widespread dense fog, mainly between 10pm and 3am. Otherwise, increasing clouds, with a low around 48. North wind around 5 mph becoming calm.

    Low: 48 °F

    Dense Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 5pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 77. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Areas Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 1am, then showers likely. Some of the storms could be severe. Low around 40. South wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Severe
    Thunderstorms
    then Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am. Mostly sunny, with a steady temperature around 44. West wind around 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind 5 to 15 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northwest wind 10 to 15 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread dense fog, mainly between 10pm and 3am. Otherwise, increasing clouds, with a low around 48. North wind around 5 mph becoming calm.
Friday
A 30 percent chance of showers and thunderstorms after 5pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 77. South wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers and thunderstorms before 1am, then showers likely. Some of the storms could be severe. Low around 40. South wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Mostly sunny, with a steady temperature around 44. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 5 to 15 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 56. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
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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:
4:33 pm CDT Apr 16, 2026
Forecast Valid:
5pm CDT Apr 16, 2026-6pm CDT Apr 23, 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