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.

Mostly Cloudy

27°F

-3°C

Humidity 78%
Wind Speed SW 17 G 24 mph
Barometer 30.29 in (1026.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 11 Jan 10:52 pm CST
Extended Forecast for

Arlington Heights IL

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 48. West southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 29. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 70%.

    High: 37 °F

    Breezy.
    Rain/Snow
    Likely then
    Snow Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 15. Blustery.

    Low: 15 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 43. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 48. West southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 29. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15. Blustery.
Thursday
Partly sunny, with a high near 28.
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.
Friday Night
A chance of snow. Mostly cloudy, with a low around 18.
Saturday
A chance of snow. Mostly cloudy, with a high near 25.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 11.
Sunday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
9:41 pm CST Jan 11, 2026
Forecast Valid:
11pm CST Jan 11, 2026-6pm CST Jan 18, 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