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.

Overcast

30°F

-1°C

Humidity 72%
Wind Speed SW 14 mph
Barometer 30.03 in (1017.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Mar 10:52 am CDT
Extended Forecast for

Prospect Heights IL

  • Today

    Today: Mostly sunny, with a high near 41. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 33. West southwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 47. Calm wind becoming southeast around 5 mph in the morning.

    High: 47 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37. East northeast wind around 5 mph becoming southwest after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 62. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 62 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 41. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 33. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 47. Calm wind becoming southeast around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 37. East northeast wind around 5 mph becoming southwest after midnight.
Friday
Mostly cloudy, with a high near 62. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly cloudy, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
Last Update:
11:26 am CDT Mar 18, 2026
Forecast Valid:
11am CDT Mar 18, 2026-6pm CDT Mar 24, 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