Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

83°F

28°C

Humidity 74%
Wind Speed SW 8 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 1 Jul 12:52 am CDT
Extended Forecast for

Lake Zurich IL

Extreme Heat Warning July 1, 01:44am until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 1, 01:44am until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 104. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny, with a high near 92. Heat index values as high as 101. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 77. Southwest wind 5 to 10 mph.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely.  Mostly sunny, with a high near 91. Chance of precipitation is 70%.

    High: 91 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 71. Chance of precipitation is 70%.

    Low: 71 °F

    T-storms
    Likely

  • Independence Day

    Independence Day: Showers and thunderstorms likely, mainly after 1pm.  Partly sunny, with a high near 85.

    High: 85 °F

    T-storms
    Likely

Detailed Forecast

Overnight
Clear, with a low around 78. Southwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 94. 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. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 92. Heat index values as high as 101. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 77. Southwest wind 5 to 10 mph.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Independence Day
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68.
Sunday
A chance of showers. Partly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Zurich IL
 42.2°N 88.09°W
1:21 am CDT Jul 1, 2026
1am CDT Jul 1, 2026-6pm CDT Jul 7, 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