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.

Mostly Cloudy

35°F

2°C

Humidity 48%
Wind Speed SW 17 G 30 mph
Barometer 29.51 in (1000.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 24 Feb 3:52 pm CST
Extended Forecast for

Lake Forest IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 39. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 39 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 23. West northwest wind 10 to 15 mph.

    Low: 23 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Northwest wind around 5 mph.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. West wind 5 to 10 mph becoming south in the morning.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow after noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 39. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 23. West northwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 20. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 39. West wind 5 to 10 mph becoming south in the morning.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A chance of snow after noon. Mostly cloudy, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 31.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.26°N 87.85°W
Last Update:
1:16 pm CST Feb 24, 2026
Forecast Valid:
4pm CST Feb 24, 2026-6pm CST Mar 3, 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