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.

Overcast

67°F

19°C

Humidity 55%
Wind Speed W 12 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 4:52 pm CDT
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: Scattered showers and thunderstorms between 8pm and 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 50. West southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Scattered
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 62. North northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 42. North northeast wind 5 to 10 mph becoming light north northwest in the evening. Winds could gust as high as 15 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms after 1am. Mostly cloudy, with a low around 50. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 50 °F

    Partly Cloudy
    then
    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms before 1pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Isolated
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Scattered
    T-storms

Detailed Forecast

Tonight
Scattered showers and thunderstorms between 8pm and 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 50. West southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 62. North northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 42. North northeast wind 5 to 10 mph becoming light north northwest in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Thursday Night
Scattered showers and thunderstorms after 1am. Mostly cloudy, with a low around 50. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
Scattered showers and thunderstorms before 1pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 86.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 58.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 86.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
5:17 pm CDT May 12, 2026
Forecast Valid:
5pm CDT May 12, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation