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.

Fair

37°F

3°C

Humidity 52%
Wind Speed S 3 mph
Barometer 29.67 in (1004.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 19 Feb 1:52 am CST
Extended Forecast for

Arlington Heights IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. West northwest wind around 5 mph becoming north northeast.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 53. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 34. Breezy, with an east wind 10 to 15 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Showers then
    Chance
    Showers and
    Breezy

  • Friday

    Friday: A chance of rain and snow before 7am, then a chance of snow between 7am and noon. Mostly cloudy, with a high near 41. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    High: 41 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. West northwest wind around 5 mph becoming north northeast.
Thursday
A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 53. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 34. Breezy, with an east wind 10 to 15 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of rain and snow before 7am, then a chance of snow between 7am and noon. Mostly cloudy, with a high near 41. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 27. West wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 38.
Saturday Night
A 20 percent chance of snow. Cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington Heights IL
 42.09°N 87.98°W
Last Update:
1:51 am CST Feb 19, 2026
Forecast Valid:
2am CST Feb 19, 2026-6pm CST Feb 25, 2026
 
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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