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

67°F

19°C

Humidity 84%
Wind Speed W 3 mph
Barometer 30.03 in (1016.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 6:52 am CDT
Extended Forecast for

Mundelein IL

  • Today

    Today: A slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 80. West southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 63. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

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

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 80. West southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 63. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Friday Night
A chance of showers. Partly cloudy, with a low around 63.
Saturday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mundelein IL
 42.26°N 88°W
Last Update:
4:15 am CDT Aug 18, 2026
Forecast Valid:
7am CDT Aug 18, 2026-6pm CDT Aug 24, 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