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

75°F

24°C

Humidity 90%
Wind Speed E 5 mph
Barometer 29.84 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 12 Aug 7:30 pm CDT
Extended Forecast for

Williams Bay WI

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 78. East wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind around 5 mph.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northwest wind around 5 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 65. Calm wind.
Thursday
A chance of showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 78. East wind 5 to 10 mph. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northwest wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williams Bay WI
 42.57°N 88.54°W (Elev. 869 ft)
Last Update:
5:46 pm CDT Aug 12, 2026
Forecast Valid:
7pm CDT Aug 12, 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