National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

38°F

3°C

Humidity 86%
Wind Speed S 6 mph
Barometer 29.91 in (1013.4 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Wind Chill33°F (1°C)
Last update 27 Feb 8:52 am CST
Extended Forecast for

Lake Forest IL

  • Today

    Today: Mostly sunny, with a high near 61. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 61 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 29. West southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 34. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North wind around 10 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 61. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Partly cloudy, with a low around 29. West southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.
Saturday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 34. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North wind around 10 mph, with gusts as high as 15 mph.
Sunday
Mostly cloudy, with a high near 30. Northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A chance of rain. Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A chance of rain. Partly sunny, with a high near 42.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38.
Thursday
Rain likely. Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
6:46 am CST Feb 27, 2026
Forecast Valid:
9am CST Feb 27, 2026-6pm CST Mar 5, 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