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

73°F

23°C

Humidity 46%
Wind Speed Vrbl 6 G 16 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 30 Mar 12:52 pm CDT
Extended Forecast for

Lake Forest IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 70. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 36. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 36 °F

    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 41. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 41 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 38. Chance of precipitation is 100%.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 67. Breezy. Chance of precipitation is 100%.

    High: 67 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Showers

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 70. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 36. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 41. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Showers and possibly a thunderstorm. Low around 38. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm. High near 67. Breezy. Chance of precipitation is 100%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 50.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 40.
Saturday
Showers likely. Mostly cloudy, with a high near 60.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
1:16 pm CDT Mar 30, 2026
Forecast Valid:
1pm CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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