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

45°F

7°C

Humidity 71%
Wind Speed NE 10 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 30 Apr 1:52 pm CDT
Extended Forecast for

Lake Forest IL

  • This Afternoon

    This Afternoon: Scattered showers, mainly after 3pm. Mostly cloudy, with a steady temperature around 45. East northeast wind around 10 mph. Chance of precipitation is 40%.

    High: 45 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 38. East wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 50%.

    Low: 38 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Friday

    Friday: Isolated showers after 4pm. Partly sunny, with a high near 46. North northwest wind around 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 46 °F

    Partly Sunny
    then Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers before 10pm. Patchy frost after 11pm. Otherwise, partly cloudy, with a low around 35. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 35 °F

    Isolated
    Showers then
    Patchy Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 50. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 10 mph.

    High: 50 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers, mainly after 3pm. Mostly cloudy, with a steady temperature around 45. East northeast wind around 10 mph. Chance of precipitation is 40%.
Tonight
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 38. East wind 5 to 10 mph becoming north northwest after midnight. Chance of precipitation is 50%.
Friday
Isolated showers after 4pm. Partly sunny, with a high near 46. North northwest wind around 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers before 10pm. Patchy frost after 11pm. Otherwise, partly cloudy, with a low around 35. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 50. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 10 mph.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 63.
Sunday Night
A chance of showers before 1am. Mostly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 72.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Partly sunny, with a high near 59.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43.
Wednesday
A chance of showers. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
1:41 pm CDT Apr 30, 2026
Forecast Valid:
2pm CDT Apr 30, 2026-6pm CDT May 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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