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

68°F

20°C

Humidity 90%
Wind Speed N 8 mph
Barometer 29.83 in (1009.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 2 Aug 12:52 am CDT
Extended Forecast for

Arlington Heights IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. North northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 74. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 62. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 77. Northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. North northeast wind around 15 mph, with gusts as high as 20 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 74. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 62. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 77. Northeast wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Mostly clear, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
10:00 pm CDT Aug 1, 2026
Forecast Valid:
1am CDT Aug 2, 2026-6pm CDT Aug 8, 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