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

79°F

26°C

Humidity 41%
Wind Speed SE 9 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Sep 1:52 pm CDT
Extended Forecast for

Mundelein IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. East southeast wind around 10 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. South southwest wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 75. North northwest wind 5 to 10 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 79. East southeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 64. 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 becoming west in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 58. Northwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 75. North northwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 54.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73.
Monday Night
A chance of showers after 1am. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82.
Tuesday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 61.
Wednesday
Showers likely. Cloudy, with a high near 71.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mundelein IL
 42.26°N 88°W
Last Update:
1:21 pm CDT Sep 11, 2026
Forecast Valid:
2pm CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
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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