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

53°F

12°C

Humidity 61%
Wind Speed E 13 G 20 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 May 10:52 am CDT
Extended Forecast for

Arlington Heights IL

  • Today

    Today: Partly sunny, with a high near 58. North northwest wind around 15 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 39. Northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Increasing clouds, with a low around 48. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 58. North northwest wind around 15 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 39. Northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 10 mph.
Thursday Night
A 30 percent chance of showers after 1am. Increasing clouds, with a low around 48. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61.
Tuesday
Showers likely. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
9:16 am CDT May 13, 2026
Forecast Valid:
11am CDT May 13, 2026-6pm CDT May 19, 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