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.

Partly Cloudy

56°F

13°C

Humidity 60%
Wind Speed W 5 mph
Barometer 29.68 in (1004.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 4 May 1:52 am CDT
Extended Forecast for

Prospect Heights IL

  • Overnight

    Overnight: Mostly clear, with a low around 52. Southwest wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 50. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers after 7am. Mostly cloudy, with a high near 56. North northwest wind 5 to 10 mph.

    High: 56 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Northeast wind around 5 mph becoming north northwest after midnight. Winds could gust as high as 10 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Southwest wind around 5 mph.
Monday
Sunny, with a high near 79. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 50. Southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Tuesday
A 20 percent chance of showers after 7am. Mostly cloudy, with a high near 56. North northwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 42. Northeast wind around 5 mph becoming north northwest after midnight. Winds could gust as high as 10 mph.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Heights IL
 42.11°N 87.92°W
Last Update:
1:36 am CDT May 4, 2026
Forecast Valid:
2am CDT May 4, 2026-6pm CDT May 10, 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