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.

Fair

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 3 Sep 5:15 am CDT
Extended Forecast for

Potter Lake WI

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 89 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 69. Southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Partly sunny, with a high near 87. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 82. Light northeast wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Light east wind increasing to 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 69. Southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Partly sunny, with a high near 87. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 82. Light northeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80. Light east wind increasing to 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 61.
Labor Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potter Lake WI
 42.82°N 88.35°W (Elev. 850 ft)
Last Update:
2:41 am CDT Sep 3, 2026
Forecast Valid:
5am CDT Sep 3, 2026-6pm CDT Sep 9, 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