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.

Fair

33°F

1°C

Humidity 96%
Wind Speed Calm
Barometer 30.42 in (1030.5 mb)
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Last update 11 Apr 4:52 am CDT
Extended Forecast for

Prospect Heights IL

  • Today

    Today: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 54. Light east wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 54 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 47. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 61. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 61 °F

    Showers and
    Breezy

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 54. Light east wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tonight
A 40 percent chance of showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 47. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Sunday Night
Showers and possibly a thunderstorm. Low around 61. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77.
Wednesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 58.
Thursday
A chance of showers. Partly sunny, with a high near 77.
Thursday Night
A chance of showers. Partly cloudy, with a low around 57.
Friday
A chance of showers. Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
Last Update:
3:06 am CDT Apr 11, 2026
Forecast Valid:
4am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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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