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

41°F

5°C

Humidity 62%
Wind Speed S 7 mph
Barometer 30.30 in (1026.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 29 Mar 1:52 am CDT
Extended Forecast for

Prospect Heights IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 75. Breezy. Chance of precipitation is 80%.

    High: 75 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. South southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 50. South southwest wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 75. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 36. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34.
Thursday
Rain and snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 46.
Thursday Night
Showers likely. Cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 56.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
Showers likely. Mostly cloudy, with a high near 62.
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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:
1:21 am CDT Mar 29, 2026
Forecast Valid:
2am CDT Mar 29, 2026-6pm CDT Apr 4, 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