National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Burlington Municipal Airport (KBUU)

Lat: 42.69°NLon: 88.31°WElev: 778ft.

Fair

80°F

27°C

Humidity 92%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 4 Sep 7:10 pm CDT
Extended Forecast for

Fontana-on-Geneva Lake WI

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 3am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Northeast wind 5 to 10 mph.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Northeast wind 5 to 10 mph becoming light after midnight.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Calm wind becoming east around 5 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 59 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. East wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and 3am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 61. Northeast wind 5 to 10 mph becoming light after midnight.
Sunday
Mostly sunny, with a high near 80. Calm wind becoming east around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 59. East wind around 5 mph becoming calm in the evening.
Labor Day
Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
Mostly cloudy, with a low around 62. East wind around 5 mph.
Tuesday
Partly sunny, with a high near 85. South wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fontana-on-Geneva Lake WI
 42.54°N 88.57°W (Elev. 873 ft)
Last Update:
6:36 pm CDT Sep 4, 2026
Forecast Valid:
7pm CDT Sep 4, 2026-6pm CDT Sep 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation