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

35°F

2°C

Humidity 78%
Wind Speed S 6 mph
Barometer 30.33 in (1027.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 8 Apr 1:52 am CDT
Extended Forecast for

Prospect Heights IL

  • Overnight

    Overnight: A 40 percent chance of showers, mainly before 5am. Cloudy, with a steady temperature around 35. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 67. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 67 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 52. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 10 percent chance of showers before 7am. Mostly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 43. North northwest wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 5am. Cloudy, with a steady temperature around 35. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 67. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 52. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 43. North northwest wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 90%.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 52.
Friday Night
Mostly clear, with a low around 37.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 48.
Sunday
Mostly cloudy, with a high near 77.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62.
Monday
A chance of showers. Mostly cloudy, with a high near 77.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53.
Tuesday
Showers likely. Mostly cloudy, with a high near 66.
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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 Apr 8, 2026
Forecast Valid:
2am CDT Apr 8, 2026-6pm CDT Apr 14, 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