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

73°F

23°C

Humidity 74%
Wind Speed SW 10 G 21 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 May 7:52 pm CDT
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Cloudy then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Cloudy, with a high near 78. Breezy, with a south southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Northeast wind 5 to 15 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers between 2am and 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Cloudy, with a high near 78. Breezy, with a south southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 58. North northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 43. Northeast wind 5 to 15 mph.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
A chance of showers. Mostly cloudy, with a high near 64.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51.
Saturday
Mostly cloudy, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 57.
Memorial Day
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
8:21 pm CDT May 18, 2026
Forecast Valid:
8pm CDT May 18, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation