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.

Overcast

30°F

-1°C

Humidity 82%
Wind Speed N 7 G 14 mph
Barometer 29.85 in (1011.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 31 Dec 6:52 pm CST
Extended Forecast for

Lake Forest IL

  • Tonight

    Tonight: A 30 percent chance of snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values as low as -2. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Chance Snow
    then Mostly
    Clear

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after noon. Partly sunny, with a high near 21. Wind chill values as low as -2. West wind 5 to 10 mph.

    High: 21 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. West wind around 5 mph, with gusts as high as 10 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 26. West northwest wind around 5 mph.

    High: 26 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. North northwest wind around 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values as low as -2. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
New Year's Day
A 20 percent chance of snow after noon. Partly sunny, with a high near 21. Wind chill values as low as -2. West wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 15. West wind around 5 mph, with gusts as high as 10 mph.
Friday
Sunny, with a high near 26. West northwest wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 18. North northwest wind around 5 mph.
Saturday
Mostly cloudy, with a high near 29.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
3:11 pm CST Dec 31, 2025
Forecast Valid:
7pm CST Dec 31, 2025-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation