National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

41°F

5°C

Humidity 79%
Wind Speed NE 5 mph
Barometer 30.20 in (1023.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Jan 7:52 pm CST
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: A chance of rain after 2am, mixing with snow after 5am. Mostly cloudy, with a low around 32. North northwest wind around 5 mph becoming southeast in the evening. Chance of precipitation is 50%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Snow, possibly mixed with rain before noon, then a chance of snow showers. High near 35. South wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Scattered snow showers. Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 21 °F

    Scattered
    Snow Showers
    and Blustery

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 32. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 32 °F

    Partly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow after midnight. Cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A chance of rain after 2am, mixing with snow after 5am. Mostly cloudy, with a low around 32. North northwest wind around 5 mph becoming southeast in the evening. Chance of precipitation is 50%.
Saturday
Snow, possibly mixed with rain before noon, then a chance of snow showers. High near 35. South wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Scattered snow showers. Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 32. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 25. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
A chance of rain. Mostly cloudy, with a high near 45.
Tuesday Night
A chance of rain and snow after midnight. Cloudy, with a low around 29.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 29.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
6:01 pm CST Jan 9, 2026
Forecast Valid:
8pm CST Jan 9, 2026-6pm CST Jan 16, 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