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

25°C

77°F

Humidity 69%
Wind Speed Calm
Barometer 1020.0 mb (30.14 in)
Dewpoint 19°C (66°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 24 Jun 5:52 am CDT
Extended Forecast for

Lake Forest IL

  • Today

    Today: Scattered showers and thunderstorms, mainly after noon. Partly sunny, with a high near 27. West southwest wind around 10 km/h becoming east northeast in the afternoon. Winds could gust as high as 20 km/h. Chance of precipitation is 50%.

    High: 27 °C

    Isolated
    T-storms then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 18. North northeast wind around 10 km/h. Chance of precipitation is 50%.

    Low: 18 °C

    Scattered
    T-storms

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 23. North northeast wind 10 to 15 km/h. Chance of precipitation is 50%.

    High: 23 °C

    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Northeast wind 5 to 10 km/h becoming south after midnight.

    Low: 18 °C

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 28. West southwest wind 10 to 15 km/h becoming east southeast in the afternoon. Winds could gust as high as 25 km/h.

    High: 28 °C

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 30. Chance of precipitation is 60%.

    High: 30 °C

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21.

    Low: 21 °C

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 28.

    High: 28 °C

    Chance
    T-storms

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after noon. Partly sunny, with a high near 27. West southwest wind around 10 km/h becoming east northeast in the afternoon. Winds could gust as high as 20 km/h. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 18. North northeast wind around 10 km/h. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 23. North northeast wind 10 to 15 km/h. Chance of precipitation is 50%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Northeast wind 5 to 10 km/h becoming south after midnight.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 28. West southwest wind 10 to 15 km/h becoming east southeast in the afternoon. Winds could gust as high as 25 km/h.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 30. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Saturday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.86°W
Last Update:
4:41 am CDT Jun 24, 2025
Forecast Valid:
6am CDT Jun 24, 2025-6pm CDT Jun 30, 2025
 
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