National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

82°F

28°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 30 Jun 1:52 am CDT
Extended Forecast for

Bannockburn IL

Extreme Heat Warning June 30, 02:03am until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 02:03am until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Heat index values as high as 104. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92.

    High: 92 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 78. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 78. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny and hot, with a high near 96. Heat index values as high as 104. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 70.
Independence Day
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bannockburn IL
 42.19°N 87.86°W
Last Update:
1:55 am CDT Jun 30, 2026
Forecast Valid:
2am CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation