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.

A Few Clouds

71°F

22°C

Humidity 68%
Wind Speed E 3 mph
Barometer 30.15 in (1020.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 7 Sep 7:52 pm CDT
Extended Forecast for

Prospect Heights IL

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. South southwest wind 5 to 10 mph.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. South southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Partly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. Cloudy, with a high near 82. West southwest wind 10 to 15 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 62. Northwest wind 5 to 10 mph.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. South southeast wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Partly sunny, with a high near 85. South southwest wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. South southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. Cloudy, with a high near 82. West southwest wind 10 to 15 mph. Chance of precipitation is 60%.
Wednesday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 62. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A chance of showers before 1pm. Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.09°N 87.92°W
Last Update:
2:46 pm CDT Sep 7, 2026
Forecast Valid:
8pm CDT Sep 7, 2026-6pm CDT Sep 14, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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