Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

Burlington Municipal Airport (KBUU)

Lat: 42.69°NLon: 88.31°WElev: 778ft.

Partly Cloudy

91°F

33°C

Humidity 65%
Wind Speed S 16 G 23 mph
Barometer 29.88 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 29 Jun 2:35 pm CDT
Extended Forecast for

2 Miles NNW Williams Bay WI

Extreme Heat Warning June 29, 02:51pm until July 1, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 02:51pm until July 1, 07:00pm

    NOW until 7:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Southwest wind 10 to 15 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Southwest wind 10 to 15 mph.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southwest wind 10 to 15 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. Southwest wind 10 to 15 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Heat index values as high as 100. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 75. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 75. Southwest wind 10 to 15 mph.
Wednesday
Sunny and hot, with a high near 93. Southwest wind 10 to 15 mph.
Wednesday Night
Mostly clear, with a low around 74. Southwest wind 10 to 15 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 10 to 15 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Independence Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Williams Bay WI
 42.61°N 88.57°W (Elev. 991 ft)
2:36 pm CDT Jun 29, 2026
2pm CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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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