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

93°F

34°C

Humidity 76%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 85°F (29°C)
Visibility 10.00 mi
Heat Index121°F (49°C)
Last update 1 Sep 4:55 pm CDT
Extended Forecast for

Delavan WI

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 95. Southwest wind around 5 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Southwest wind 5 to 10 mph.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 87. Calm wind becoming southeast around 5 mph. Chance of precipitation is 50%.

    High: 87 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 95. Southwest wind around 5 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Southwest wind 5 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 87. Calm wind becoming southeast around 5 mph. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delavan WI
 42.63°N 88.65°W (Elev. 896 ft)
Last Update:
3:52 pm CDT Sep 1, 2026
Forecast Valid:
5pm CDT Sep 1, 2026-6pm CDT Sep 8, 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