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.

Heavy Rain Fog/Mist

69°F

21°C

Humidity 87%
Wind Speed NE 7 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 65°F (18°C)
Visibility 2.00 mi
Last update 13 Aug 5:52 pm CDT
Extended Forecast for

Mundelein IL

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 67. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a high near 78. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 82. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 70. West wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 7am. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 67. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a high near 78. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 82. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 70. West wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 7am. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 66.
Wednesday
A chance of showers. Mostly cloudy, with a high near 80.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mundelein IL
 42.26°N 88°W
Last Update:
2:31 pm CDT Aug 13, 2026
Forecast Valid:
6pm CDT Aug 13, 2026-6pm CDT Aug 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