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

56°F

13°C

Humidity 77%
Wind Speed N 3 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 9 Apr 7:52 pm CDT
Extended Forecast for

Lake Forest IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 47. North wind around 10 mph.

    High: 47 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Northeast wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 49. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 49 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 73. Breezy.

    High: 73 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 47. North wind around 10 mph.
Friday Night
Partly cloudy, with a low around 35. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Increasing clouds, with a high near 49. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 73. Breezy.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 77.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 56.
Wednesday
A chance of showers. Mostly cloudy, with a high near 70.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
7:21 pm CDT Apr 9, 2026
Forecast Valid:
8pm CDT Apr 9, 2026-6pm CDT Apr 16, 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