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.

Fog/Mist

72°F

22°C

Humidity 97%
Wind Speed E 5 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 71°F (22°C)
Visibility 2.00 mi
Last update 13 Aug 7:52 am CDT
Extended Forecast for

Arlington Heights IL

  • Today

    Today: Showers and thunderstorms likely before 4pm, then a chance of showers. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 80. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Areas Fog
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Southeast wind around 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Sunday Night

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

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 4pm, then a chance of showers. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 80. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Southeast wind around 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A chance of showers. Partly 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:
3:36 am CDT Aug 13, 2026
Forecast Valid:
8am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
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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