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.

Fair

81°F

27°C

Humidity 79%
Wind Speed SW 9 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 22 Jun 6:52 am CDT
Extended Forecast for

Arlington Heights IL

Extreme Heat Warning June 22, 07:42am until June 24, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 22, 07:42am until June 24, 12:00am

    NOW until 12:00am Tue

    Extreme Heat Warning

  • Today

    High: 97 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 79. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 79 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. West southwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 106. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 79. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. West southwest wind 5 to 10 mph becoming north northeast in the afternoon.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
4:06 am CDT Jun 22, 2025
Forecast Valid:
7am CDT Jun 22, 2025-6pm CDT Jun 28, 2025
 
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Additional Resources

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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