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

70°F

21°C

Humidity 64%
Wind Speed N 5 mph
Barometer 30.08 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 9:35 am CDT
Extended Forecast for

Potter Lake WI

  • Today

    Today: Sunny, with a high near 80. Calm wind becoming northeast around 5 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 79. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79. Northwest wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Northwest wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Calm wind becoming northeast around 5 mph.
Tonight
Partly cloudy, with a low around 59. South wind around 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 79. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 76. Northwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potter Lake WI
 42.82°N 88.32°W (Elev. 850 ft)
Last Update:
9:16 am CDT Aug 20, 2026
Forecast Valid:
10am CDT Aug 20, 2026-6pm CDT Aug 26, 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