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.

Fair

35°F

2°C

Humidity 64%
Wind Speed E 3 mph
Barometer 30.25 in (1024.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 2 Mar 10:52 pm CST
Extended Forecast for

Lake Forest IL

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 33. Southeast wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow before 8am, then a slight chance of rain. Mostly cloudy, with a high near 40. East wind around 5 mph becoming calm. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. Calm wind becoming northeast around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 43. East wind around 5 mph, with gusts as high as 10 mph.

    High: 43 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Cloudy, with a low around 39. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers. High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Showers

  • Friday

    Friday: Showers, mainly after noon. Cloudy, with a high near 62.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 33. Southeast wind around 5 mph.
Tuesday
A chance of rain and snow before 8am, then a slight chance of rain. Mostly cloudy, with a high near 40. East wind around 5 mph becoming calm. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 33. Calm wind becoming northeast around 5 mph.
Wednesday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 43. East wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Cloudy, with a low around 39. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
Showers. High near 47. Chance of precipitation is 80%.
Thursday Night
A 20 percent chance of showers. Cloudy, with a low around 40.
Friday
Showers, mainly after noon. Cloudy, with a high near 62.
Friday Night
Showers likely, then showers and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 50.
Saturday
A chance of showers before noon. Mostly cloudy, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
9:31 pm CST Mar 2, 2026
Forecast Valid:
11pm CST Mar 2, 2026-6pm CDT Mar 9, 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