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

63°F

17°C

Humidity 81%
Wind Speed NE 13 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Oct 12:52 pm CDT
Extended Forecast for

Prospect Heights IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 63. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 57. North northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 4pm. High near 59. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. Breezy, with an east southeast wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 7am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 63. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 57. North northeast wind around 10 mph, with gusts as high as 15 mph.
Thursday
Showers, with thunderstorms also possible after 4pm. High near 59. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. Breezy, with an east southeast wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Friday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 38. Breezy.
Saturday
Patchy frost before 7am. Otherwise, sunny, with a high near 58.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
Last Update:
1:26 pm CDT Oct 14, 2026
Forecast Valid:
2pm CDT Oct 14, 2026-6pm CDT Oct 20, 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