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

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 64°F (18°C)
Visibility 0.25 mi
Last update 13 Aug 3:35 am CDT
Extended Forecast for

Jefferson WISimilar City Names

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly between 10am and 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers before noon, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. North wind 5 to 10 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 65. Calm wind.
Thursday
Showers likely, mainly between 10am and 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.
Friday
A chance of showers before noon, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. North wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson WISimilar City Names
 43.01°N 88.81°W (Elev. 833 ft)
Last Update:
2:47 am CDT Aug 13, 2026
Forecast Valid:
3am CDT Aug 13, 2026-6pm CDT Aug 19, 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