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.

A Few Clouds

64°F

18°C

Humidity 41%
Wind Speed SW 6 mph
Barometer 29.89 in (1012.5 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 16 Feb 4:52 pm CST
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 40. Southwest wind around 5 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 54. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain and possibly a thunderstorm after 9pm. Low around 50. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Rain

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 64. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. West southwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

  • Friday

    Friday: A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 40. Southwest wind around 5 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 54. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain, then rain and possibly a thunderstorm after 9pm. Low around 50. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 64. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 39. West southwest wind 5 to 10 mph becoming southeast after midnight.
Thursday
A 40 percent chance of rain after noon. Partly sunny, with a high near 56.
Thursday Night
Rain. Low around 36. Chance of precipitation is 80%.
Friday
A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 44.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 34.
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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:
4:26 pm CST Feb 16, 2026
Forecast Valid:
5pm CST Feb 16, 2026-6pm CST Feb 23, 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