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

35°F

2°C

Humidity 46%
Wind Speed Vrbl 7 mph
Barometer 30.53 in (1034.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 7 Apr 12:52 pm CDT
Extended Forecast for

Arlington Heights IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 38. East wind around 10 mph.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: A slight chance of snow showers after 2am, mixing with rain after 4am. Increasing clouds, with a low around 31. East wind 10 to 15 mph becoming south southeast after midnight. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 66 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 50. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 65. West wind around 10 mph, with gusts as high as 15 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 38. East wind around 10 mph.
Tonight
A slight chance of snow showers after 2am, mixing with rain after 4am. Increasing clouds, with a low around 31. East wind 10 to 15 mph becoming south southeast after midnight. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 66. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
A slight chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 50. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 65. West wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 42. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 54.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 49.
Sunday
A chance of showers. Mostly cloudy, with a high near 77.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62.
Monday
A chance of showers. Mostly cloudy, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
1:21 pm CDT Apr 7, 2026
Forecast Valid:
1pm CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
Forecast Discussion
 
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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