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.

Partly Cloudy

4°F

-16°C

Humidity 63%
Wind Speed W 13 G 21 mph
Barometer 30.32 in (1028.5 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 19 Jan 9:52 pm CST
Extended Forecast for

Lake Forest IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Wind chill values as low as -14. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 1 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 21. Wind chill values as low as -13. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight. Cloudy, with a temperature rising to around 26 by 3am. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F⇑

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 12. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 0.

    High: 0 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -9.

    Low: -9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 1. Wind chill values as low as -14. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 21. Wind chill values as low as -13. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Snow likely, mainly after midnight. Cloudy, with a temperature rising to around 26 by 3am. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 12. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around -6.
Friday
Partly sunny and cold, with a high near 0.
Friday Night
Mostly cloudy, with a low around -9.
Saturday
Partly sunny and cold, with a high near 5.
Saturday Night
Mostly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
8:51 pm CST Jan 19, 2026
Forecast Valid:
9pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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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