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

37°F

3°C

Humidity 70%
Wind Speed E 5 mph
Barometer 30.25 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 19 Apr 10:15 pm CDT
Extended Forecast for

Williams Bay WI

  • Tonight

    Tonight: Widespread frost after midnight. Otherwise, mostly clear, with a low around 27. North wind around 5 mph becoming calm after midnight.

    Low: 27 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 51. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 51 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Southwest wind around 10 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. West wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Southeast wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Tonight
Widespread frost after midnight. Otherwise, mostly clear, with a low around 27. North wind around 5 mph becoming calm after midnight.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 51. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 70. Southwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 44. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 72. Northeast wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 68.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 60.
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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:
8:37 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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