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

65°F

18°C

Humidity 90%
Wind Speed Calm
Barometer 30.10 in (1018.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 22 Aug 1:52 am CDT
Extended Forecast for

Arlington Heights IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67. East southeast wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. West wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 62. Calm wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 67. East southeast wind around 5 mph becoming calm.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. West wind 5 to 15 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 57. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.95°W
Last Update:
1:41 am CDT Aug 22, 2025
Forecast Valid:
2am CDT Aug 22, 2025-6pm CDT Aug 28, 2025
 
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