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Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Partly Cloudy

40°F

4°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 30.37 in (1029.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 20 Apr 7:52 am CDT
Extended Forecast for

Lake Forest IL

Freeze Warning April 20, 07:58am until April 20, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 20, 07:58am until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Today

    High: 49 °F

    Frost then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 46. West wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.

    Low: 46 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 63. East northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 49. Light east wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tonight
Mostly cloudy, with a low around 43. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 46. West wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.
Wednesday
Sunny, with a high near 63. East northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly cloudy, with a high near 71.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.88°W
Last Update:
7:55 am CDT Apr 20, 2026
Forecast Valid:
7am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation