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

33°F

1°C

Humidity 89%
Wind Speed Calm
Barometer 29.98 in (1015.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Feb 9:52 pm CST
Extended Forecast for

Lake Forest IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53. West southwest wind 5 to 10 mph becoming north in the afternoon.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 33 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Southwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before noon. Sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. South southwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
Sunny, with a high near 53. West southwest wind 5 to 10 mph becoming north in the afternoon.
Sunday Night
Mostly cloudy, with a low around 33. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 15 mph.
Washington's Birthday
Mostly sunny, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 37. Southwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 44.
Tuesday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Wednesday
A chance of showers before noon. Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 45.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 31.
Friday
A chance of showers. Partly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
8:46 pm CST Feb 14, 2026
Forecast Valid:
10pm CST Feb 14, 2026-6pm CST Feb 21, 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