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

Burlington Municipal Airport (KBUU)

Lat: 42.69°NLon: 88.31°WElev: 778ft.

Fair

49°F

9°C

Humidity 48%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Feb 5:15 pm CST
Extended Forecast for

Williams Bay WI

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Light and variable wind becoming southwest 5 to 10 mph after midnight.

    Low: 37 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 59. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. West wind around 5 mph becoming calm after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52. Southeast wind 5 to 10 mph.

    High: 52 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 46. Southeast wind 10 to 15 mph becoming south after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before noon. Sunny, with a high near 60. West wind around 15 mph, with gusts as high as 30 mph.

    High: 60 °F

    Chance Rain
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. West wind 10 to 15 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 52. Northwest wind 10 to 15 mph becoming east in the morning.

    High: 52 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 37. Light and variable wind becoming southwest 5 to 10 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 59. West wind 5 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 36. West wind around 5 mph becoming calm after midnight.
Tuesday
Mostly cloudy, with a high near 52. Southeast wind 5 to 10 mph.
Tuesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 46. Southeast wind 10 to 15 mph becoming south after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of rain before noon. Sunny, with a high near 60. West wind around 15 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 33. West wind 10 to 15 mph.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 52. Northwest wind 10 to 15 mph becoming east in the morning.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow before noon, then a slight chance of snow. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 23.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 36.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 19.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williams Bay WI
 42.57°N 88.54°W (Elev. 869 ft)
Last Update:
5:17 pm CST Feb 15, 2026
Forecast Valid:
5pm CST Feb 15, 2026-6pm CST Feb 22, 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