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

73°F

23°C

Humidity 55%
Wind Speed NE 7 mph
Barometer 29.91 in (1012.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 28 Jul 6:52 pm CDT
Extended Forecast for

Lake Forest IL

  • Tonight

    Tonight: Mostly clear, with a low around 62. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. North wind around 5 mph becoming east northeast in the afternoon. Winds could gust as high as 10 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. South southwest wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 62. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 78. North wind around 5 mph becoming east northeast in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 68. South southwest wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 67. Chance of precipitation is 70%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
3:56 pm CDT Jul 28, 2026
Forecast Valid:
7pm CDT Jul 28, 2026-6pm CDT Aug 4, 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