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.

Fair

52°F

11°C

Humidity 89%
Wind Speed Calm
Barometer 30.12 in (1020.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 10:52 pm CDT
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 70. Light south wind becoming south southeast 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 70 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy during the early evening, then becoming clear, with a low around 60. Southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. Calm wind.
Friday
Scattered showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 70. Light south wind becoming south southeast 5 to 10 mph in the morning. Chance of precipitation is 50%.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy during the early evening, then becoming clear, with a low around 60. Southeast wind around 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 60. South wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
A chance of showers. Mostly cloudy, with a high near 66.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54.
Thursday
A chance of showers. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.95°W
Last Update:
10:51 pm CDT Oct 8, 2026
Forecast Valid:
11pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026
 
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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