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

55°F

13°C

Humidity 31%
Wind Speed Calm
Barometer 29.72 in (1006.8 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 27 Feb 6:52 pm CST
Extended Forecast for

Lake Forest IL

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow, mainly between 3pm and 5pm. Increasing clouds, with a high near 35. North northwest wind 5 to 15 mph becoming east northeast in the morning.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 9pm. Mostly cloudy, with a low around 23. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 22. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 22 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain. Cloudy, with a high near 40.

    High: 40 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.
Saturday
A 30 percent chance of snow, mainly between 3pm and 5pm. Increasing clouds, with a high near 35. North northwest wind 5 to 15 mph becoming east northeast in the morning.
Saturday Night
A 20 percent chance of snow before 9pm. Mostly cloudy, with a low around 23. North wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 30. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22. East northeast wind around 5 mph, with gusts as high as 10 mph.
Monday
Partly sunny, with a high near 38.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 31.
Tuesday
A chance of rain. Cloudy, with a high near 40.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 32.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 44.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 37.
Thursday
Rain likely. Cloudy, with a high near 50.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.88°W
Last Update:
6:06 pm CST Feb 27, 2026
Forecast Valid:
7pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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