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.

Overcast

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 27°F (-3°C)
Visibility 0.25 mi
Last update 4 Mar 3:35 am CST
Extended Forecast for

Williams Bay WI

Dense Fog Advisory March 4, 03:54am until March 4, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 4, 03:54am until March 4, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 28 °F

    Dense
    Freezing Fog

  • Wednesday

    Wednesday: Patchy dense fog between 8am and 9am. Widespread dense freezing fog before 8am. Otherwise, partly sunny, with a high near 51. Calm wind becoming east around 5 mph in the morning.

    High: 51 °F

    Dense
    Freezing Fog
    and Patchy
    Dense Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain likely, mainly before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 48. Northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 3am. Cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before noon, then rain between noon and 3pm, then rain and possibly a thunderstorm after 3pm. High near 66. Southeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Rain

  • Friday Night

    Friday Night: Rain before 9pm, then rain and possibly a thunderstorm between 9pm and 3am, then rain after 3am. Low around 44. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly cloudy, then gradually becoming sunny, with a high near 52. Northwest wind 10 to 15 mph.

    High: 52 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Overnight
Widespread dense freezing fog. Mostly cloudy, with a low around 28. Calm wind.
Wednesday
Patchy dense fog between 8am and 9am. Widespread dense freezing fog before 8am. Otherwise, partly sunny, with a high near 51. Calm wind becoming east around 5 mph in the morning.
Wednesday Night
A 50 percent chance of rain, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening.
Thursday
Rain likely, mainly before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 48. Northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain after 3am. Cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.
Friday
Rain and possibly a thunderstorm before noon, then rain between noon and 3pm, then rain and possibly a thunderstorm after 3pm. High near 66. Southeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain before 9pm, then rain and possibly a thunderstorm between 9pm and 3am, then rain after 3am. Low around 44. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of rain before noon. Mostly cloudy, then gradually becoming sunny, with a high near 52. Northwest wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 68.
Monday Night
A 20 percent chance of rain and thunderstorms. Mostly clear, with a low around 49.
Tuesday
Rain likely. Partly sunny, with a high near 66. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williams Bay WI
 42.57°N 88.54°W (Elev. 869 ft)
Last Update:
3:47 am CST Mar 4, 2026
Forecast Valid:
3am CST Mar 4, 2026-6pm CDT Mar 10, 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