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

54°F

12°C

Humidity 97%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 23 Aug 4:50 am CDT
Extended Forecast for

Fontana WI

  • Today

    Today: Sunny, with a high near 74. North wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

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

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 61. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. West wind around 5 mph.

    Low: 61 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 74. North wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 61. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. West wind around 5 mph.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 58.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana WI
 42.54°N 88.54°W (Elev. 889 ft)
Last Update:
4:56 am CDT Aug 23, 2026
Forecast Valid:
5am CDT Aug 23, 2026-6pm CDT Aug 29, 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