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

74°F

23°C

Humidity 82%
Wind Speed SW 3 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 9 Sep 8:52 pm CDT
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. South wind around 5 mph becoming north northwest after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79. North wind around 5 mph.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. East northeast wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Light south wind becoming south southeast 5 to 10 mph in the morning.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. South wind around 5 mph becoming north northwest after midnight.
Thursday
Partly sunny, with a high near 79. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 59. East northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 79. Light south wind becoming south southeast 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 62. Southeast wind around 5 mph, with gusts as high as 10 mph.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 65.
Monday
A chance of showers. Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 68.
Tuesday
A chance of showers. Mostly cloudy, with a high near 79.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
8:41 pm CDT Sep 9, 2026
Forecast Valid:
9pm CDT Sep 9, 2026-6pm CDT Sep 16, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation