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.

Overcast

65°F

18°C

Humidity 66%
Wind Speed NW 15 mph
Barometer 30.00 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 19 May 6:35 pm CDT
Extended Forecast for

Fontana WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Northwest wind 10 to 15 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. North wind around 10 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Northeast wind 5 to 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. East wind 10 to 15 mph.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. East wind around 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 60. East wind 10 to 15 mph.

    High: 60 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 47. East wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 69. Northeast wind 5 to 10 mph becoming west in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Northwest wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 61. North wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 41. Northeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 59. East wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 44. East wind around 10 mph.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 60. East wind 10 to 15 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 47. East wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, with a high near 69. Northeast wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 79.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana WI
 42.52°N 88.57°W (Elev. 991 ft)
Last Update:
5:57 pm CDT May 19, 2026
Forecast Valid:
6pm CDT May 19, 2026-6pm CDT May 26, 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