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.

Partly Cloudy

34°F

1°C

Humidity 97%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 33°F (1°C)
Visibility 5.00 mi
Last update 30 Apr 6:35 am CDT
Extended Forecast for

2 Miles E Delavan WI

Dense Fog Advisory until April 30, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until April 30, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Today

    High: 53 °F

    Areas Frost
    and Areas Fog
    then Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before midnight. Patchy frost after 1am. Otherwise, mostly cloudy, with a low around 33. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 49. Northwest wind 5 to 10 mph.

    High: 49 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. North wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 54. Light north wind becoming northwest 5 to 10 mph in the morning.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Calm wind becoming southwest around 5 mph after midnight.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 63. Southwest wind 5 to 15 mph.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 44. West wind 5 to 10 mph.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely, mainly after 1pm. Areas of fog before 8am. Areas of frost before 8am. Otherwise, partly sunny, with a high near 53. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before midnight. Patchy frost after 1am. Otherwise, mostly cloudy, with a low around 33. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 20 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 49. Northwest wind 5 to 10 mph.
Friday Night
Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 31. North wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 54. Light north wind becoming northwest 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 38. Calm wind becoming southwest around 5 mph after midnight.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 63. Southwest wind 5 to 15 mph.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 44. West wind 5 to 10 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 67.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 43.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 63.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Delavan WI
 42.63°N 88.6°W (Elev. 948 ft)
Last Update:
6:51 am CDT Apr 30, 2026
Forecast Valid:
6am CDT Apr 30, 2026-6pm CDT May 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation