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

64°F

18°C

Humidity 60%
Wind Speed S 9 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 10 Oct 8:52 am CDT
Extended Forecast for

Lake Forest IL

  • Today

    Today: Increasing clouds, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 74. Southeast wind around 5 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 59. Southeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 57. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 74. Southeast wind around 5 mph.
Sunday Night
Increasing clouds, with a low around 59. Southeast wind 5 to 10 mph becoming south southwest after midnight.
Columbus Day
Partly sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 50.
Thursday
A chance of showers. Mostly cloudy, with a high near 66.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 61. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.88°W
Last Update:
5:16 am CDT Oct 10, 2026
Forecast Valid:
9am CDT Oct 10, 2026-6pm CDT Oct 16, 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