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

70°F

21°C

Humidity 70%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Aug 6:50 pm CDT
Extended Forecast for

Delavan Lake WI

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly between 3am and 5am. Partly cloudy, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 80. Southwest wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Wednesday Night

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

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the morning.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Calm wind.
Tuesday
Mostly sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly between 3am and 5am. Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 80. Southwest wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 57. Calm wind.
Friday
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 79.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Delavan Lake WI
 42.61°N 88.63°W (Elev. 932 ft)
Last Update:
6:46 pm CDT Aug 24, 2026
Forecast Valid:
7pm CDT Aug 24, 2026-6pm CDT Aug 31, 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