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.

Overcast

49°F

9°C

Humidity 43%
Wind Speed NW 13 G 29 mph
Barometer 30.21 in (1023.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 6 Apr 2:52 pm CDT
Extended Forecast for

Lake Forest IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow showers after 8pm. 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 35. North northeast wind around 10 mph becoming east in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Increasing clouds, with a low around 30. South southeast wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 61. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of snow showers after 8pm. 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 35. North northeast wind around 10 mph becoming east in the afternoon.
Tuesday Night
A slight chance of snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Increasing clouds, with a low around 30. South southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 61. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67.
Thursday Night
Showers likely. Mostly cloudy, with a low around 43.
Friday
A chance of showers. Mostly cloudy, with a high near 52.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 45.
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:
1:21 pm CDT Apr 6, 2026
Forecast Valid:
3pm 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