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

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Partly Cloudy

77°F

25°C

Humidity 48%
Wind Speed NW 13 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Jun 5:52 pm CDT
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. West northwest wind 5 to 10 mph becoming east after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly between 10am and 3pm. Mostly cloudy, with a high near 70. East northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 59. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 76. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61. East northeast wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. West northwest wind 5 to 10 mph becoming east after midnight.
Friday
A 30 percent chance of showers, mainly between 10am and 3pm. Mostly cloudy, with a high near 70. East northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 59. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 76. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61. East northeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Mostly sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
6:16 pm CDT Jun 25, 2026
Forecast Valid:
6pm CDT Jun 25, 2026-6pm CDT Jul 2, 2026
 
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Additional Resources

Radar & Satellite Image

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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