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

20°F

-7°C

Humidity 50%
Wind Speed NA
Barometer 30.04 in (1018.3 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 3 Jan 5:52 am CST
Extended Forecast for

Prospect Heights IL

  • Today

    Today: Mostly cloudy, with a high near 27. West northwest wind around 5 mph.

    High: 27 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 16. Northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 16 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Increasing clouds, with a high near 30. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 30 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of snow, freezing rain, and sleet before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 26. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Wintry Mix
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 27. West northwest wind around 5 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 16. Northwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
Increasing clouds, with a high near 30. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Sunday Night
A slight chance of snow, freezing rain, and sleet before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 26. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 41. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Mostly cloudy, with a high near 51.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.09°N 87.92°W
Last Update:
3:36 am CST Jan 3, 2026
Forecast Valid:
6am CST Jan 3, 2026-6pm CST Jan 9, 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