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

73°F

23°C

Humidity 57%
Wind Speed W 13 G 23 mph
Barometer 29.95 in (1013.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Jun 9:52 am CDT
Extended Forecast for

Mount Prospect IL

  • Today

    Today: Mostly sunny, with a high near 78. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. East northeast wind around 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly between 11am and 1pm. Mostly cloudy, with a high near 72. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 59. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 78. East northeast wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 78. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 58. East northeast wind around 5 mph.
Friday
A 30 percent chance of showers, mainly between 11am and 1pm. Mostly cloudy, with a high near 72. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 59. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 78. East northeast wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Mostly sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Mostly sunny and hot, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Prospect IL
 42.06°N 87.93°W
Last Update:
8:21 am CDT Jun 25, 2026
Forecast Valid:
10am CDT Jun 25, 2026-6pm CDT Jul 1, 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