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.

Light Rain

44°F

7°C

Humidity 89%
Wind Speed W 3 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 6 Apr 1:52 am CDT
Extended Forecast for

Arlington Heights IL

  • Overnight

    Overnight: A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 39. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 26. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. North northeast wind around 10 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 31. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. Breezy.

    High: 64 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 39. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 26. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 39. North northeast wind around 10 mph.
Tuesday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 31. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 64. Breezy.
Wednesday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 54.
Thursday
A chance of showers. Mostly cloudy, with a high near 65.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
A chance of showers before 1pm. Partly sunny, with a high near 58.
Friday Night
A chance of showers. Partly cloudy, with a low around 42.
Saturday
A chance of showers. Partly sunny, with a high near 60.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Mostly cloudy, with a high near 75.
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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 am CDT Apr 6, 2026
Forecast Valid:
2am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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