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.

Partly Cloudy

40°F

4°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 30.37 in (1029.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 20 Apr 7:52 am CDT
Extended Forecast for

Arlington Heights IL

  • Today

    Today: Areas of frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 55 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 49. West southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 49 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 70. North northeast wind around 5 mph becoming east in the afternoon. Winds could gust as high as 10 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
Areas of frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Tonight
Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 75. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 49. West southwest wind around 5 mph becoming north after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 70. North northeast wind around 5 mph becoming east in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 80. Breezy.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61.
Friday
A chance of showers. Mostly cloudy, with a high near 73.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
7:55 am CDT Apr 20, 2026
Forecast Valid:
8am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation