Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Hazardous Weather Conditions

Current conditions at

Burlington Municipal Airport (KBUU)

Lat: 42.69°NLon: 88.31°WElev: 778ft.

Fair

56°F

13°C

Humidity 97%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Jul 6:15 am CDT
Extended Forecast for

Williams Bay WI

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming northeast around 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 4pm.  Cloudy, with a high near 76. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 61. East wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 76. Northeast wind around 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. North wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming northeast around 5 mph.
Tonight
Mostly clear, with a low around 60. Calm wind.
Thursday
Increasing clouds, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm.
Friday
Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 61. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Northeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 59. North wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 61.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Williams Bay WI
 42.57°N 88.57°W (Elev. 948 ft)
4:36 am CDT Jul 29, 2026
6am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

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