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Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 3:35 pm CDT
Extended Forecast for

4 Miles SW Sullivan WI

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Some of the storms could be severe. Partly sunny, with a high near 82. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers
    Likely then
    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. North wind 5 to 10 mph.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. North wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77. Northeast wind 5 to 10 mph.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the morning.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. East wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Some of the storms could be severe. Partly sunny, with a high near 82. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. North wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 64. North wind around 5 mph.
Wednesday
Partly sunny, with a high near 77. Northeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 81.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Sullivan WI
 42.96°N 88.63°W (Elev. 850 ft)
Last Update:
3:01 pm CDT Aug 18, 2025
Forecast Valid:
3pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
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