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.

Mostly Cloudy

42°F

6°C

Humidity 47%
Wind Speed NE 9 mph
Barometer 30.40 in (1030.2 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 27 Mar 5:52 pm CDT
Extended Forecast for

Prospect Heights IL

  • Tonight

    Tonight: Mostly clear, with a low around 25. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48. Northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. South southwest wind 5 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74.

    High: 74 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 25. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 48. Northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 40. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 62. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 48. South southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 73.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 37.
Wednesday
A chance of showers. Mostly cloudy, with a high near 44.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 45.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.09°N 87.92°W
Last Update:
3:31 pm CDT Mar 27, 2026
Forecast Valid:
6pm CDT Mar 27, 2026-6pm CDT Apr 3, 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