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

68°F

20°C

Humidity 26%
Wind Speed SE 5 mph
Barometer 30.02 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 14 May 3:55 pm CDT
Extended Forecast for

Delavan WI

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 49. South wind 5 to 10 mph.

    Low: 49 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 57. South wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Mostly Clear
    then Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. West wind around 5 mph becoming south in the morning. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 57. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 86. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 65. Breezy. Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 49. South wind 5 to 10 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 75. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 57. South wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. West wind around 5 mph becoming south in the morning. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 30 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 86. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 65. Breezy. Chance of precipitation is 70%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 50%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Delavan WI
 42.63°N 88.65°W (Elev. 896 ft)
Last Update:
3:06 pm CDT May 14, 2026
Forecast Valid:
4pm CDT May 14, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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