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 with Haze

84°F

29°C

Humidity 53%
Wind Speed Vrbl 3 mph
Barometer 30.10 in (1018.6 mb)
Dewpoint 65°F (18°C)
Visibility 1.75 mi
Heat Index86°F (30°C)
Last update 16 Jul 10:52 am CDT
Extended Forecast for

Arlington Heights IL

  • Today

    Today: Widespread smoke. Partly sunny, with a high near 91. East northeast wind 5 to 10 mph.

    High: 91 °F

    Smoke

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Widespread smoke, mainly before 2am. Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms then
    Smoke

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Areas of smoke before 11am. Mostly sunny, with a high near 92. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 92 °F

    Areas Smoke
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 91. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 91 °F

    Sunny then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers after 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Widespread smoke. Partly sunny, with a high near 91. East northeast wind 5 to 10 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Widespread smoke, mainly before 2am. Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Areas of smoke before 11am. Mostly sunny, with a high near 92. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A chance of thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. West southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
Showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 91. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 66.
Monday
A chance of showers after 1pm. Mostly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
9:26 am CDT Jul 16, 2026
Forecast Valid:
11am CDT Jul 16, 2026-6pm CDT Jul 22, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation