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.

A Few Clouds

66°F

19°C

Humidity 47%
Wind Speed NW 7 mph
Barometer 29.78 in (1008.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 12:52 pm CDT
Extended Forecast for

Lake Forest IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 64. Northwest wind around 10 mph becoming north northeast. Winds could gust as high as 20 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. North northeast wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 67. East wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 45. South southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly cloudy, with a high near 47. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 64. Northwest wind around 10 mph becoming north northeast. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 36. North northeast wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 67. East wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 45. South southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 47. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A chance of showers. Mostly cloudy, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
1:20 pm CDT Mar 20, 2026
Forecast Valid:
1pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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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