National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

58°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in (1017.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Sep 4:52 am CDT
Extended Forecast for

Mundelein IL

  • Today

    Today: Sunny, with a high near 78. Light and variable wind becoming east southeast 5 to 10 mph in the morning.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. South southwest wind 5 to 15 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 57. North northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 57 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 75. North wind 5 to 10 mph.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers after 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 78. Light and variable wind becoming east southeast 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 63. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.
Saturday
Mostly sunny, with a high near 84. South southwest wind 5 to 15 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 57. North northwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 75. North wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Monday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Monday Night
A chance of showers after 1am. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 58.
Wednesday
Showers likely. Mostly cloudy, with a high near 72.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Partly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mundelein IL
 42.26°N 88°W
Last Update:
3:10 am CDT Sep 11, 2026
Forecast Valid:
5am CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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