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.

A Few Clouds

41°F

5°C

Humidity 67%
Wind Speed Calm
Barometer 29.96 in (1015.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 14 Feb 5:52 pm CST
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 35. South wind around 5 mph becoming west southwest after midnight.

    Low: 35 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 57. West southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 36. Light and variable wind becoming south southwest 5 to 10 mph after midnight.

    Low: 36 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. South southwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before noon. Sunny, with a high near 64. Breezy.

    High: 64 °F

    Breezy.
    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 35. South wind around 5 mph becoming west southwest after midnight.
Sunday
Sunny, with a high near 57. West southwest wind 5 to 10 mph becoming northwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 36. Light and variable wind becoming south southwest 5 to 10 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 38. South southwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 48.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Wednesday
A chance of showers before noon. Sunny, with a high near 64. Breezy.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 51.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 31.
Friday
A chance of showers. Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
5:21 pm CST Feb 14, 2026
Forecast Valid:
6pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
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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