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

42°F

6°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 6 Apr 3:52 am CDT
Extended Forecast for

Lake Forest IL

  • Today

    Today: Partly sunny, with a high near 48. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 26. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. North northeast wind around 10 mph becoming east in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Increasing clouds, with a low around 31. South southeast wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 1pm. Mostly sunny, with a high near 52.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 48. West northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 26. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 36. North northeast wind around 10 mph becoming east in the afternoon.
Tuesday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Increasing clouds, with a low around 31. South southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 61. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
A chance of showers before 1pm. Mostly sunny, with a high near 52.
Friday Night
A chance of showers. Partly cloudy, with a low around 41.
Saturday
A chance of showers. Partly sunny, with a high near 53.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
A chance of showers. Mostly cloudy, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
4:11 am CDT Apr 6, 2026
Forecast Valid:
4am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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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