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.

Mostly Cloudy

54°F

12°C

Humidity 90%
Wind Speed Calm
Barometer 30.23 in (1023.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 14 Sep 12:52 am CDT
Extended Forecast for

Mundelein IL

  • Overnight

    Overnight: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 74. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Slight Chance
    Showers and
    Breezy then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West northwest wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 1pm. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 49. Calm wind.
Monday
A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 74. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West northwest wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 50%.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 73. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
A chance of showers before 1pm. Mostly cloudy, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
A chance of showers. Partly sunny, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62.
Saturday
Showers likely. Partly sunny, with a high near 77.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60.
Sunday
A chance of showers. Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mundelein IL
 42.26°N 88°W
Last Update:
11:51 pm CDT Sep 13, 2026
Forecast Valid:
1am CDT Sep 14, 2026-6pm CDT Sep 20, 2026
 
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