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.

Partly Cloudy

38°F

3°C

Humidity 83%
Wind Speed Calm
Barometer 30.16 in (1021.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 12 May 3:52 am CDT
Extended Forecast for

Mundelein IL

  • Today

    Today: Scattered showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 75. Breezy, with a south southeast wind 10 to 15 mph becoming southwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%.

    High: 75 °F

    Breezy.
    Partly Sunny
    then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms before 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 49. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Scattered
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. North wind 5 to 10 mph becoming light north northwest in the evening. Winds could gust as high as 15 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Light and variable wind becoming east 5 to 10 mph in the morning.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 75. Breezy, with a south southeast wind 10 to 15 mph becoming southwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms before 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 49. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 61. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 40. North wind 5 to 10 mph becoming light north northwest in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 63. Light and variable wind becoming east 5 to 10 mph in the morning.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 48.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 84.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60.
Monday
A chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mundelein IL
 42.26°N 88°W
Last Update:
3:31 am CDT May 12, 2026
Forecast Valid:
4am CDT May 12, 2026-6pm CDT May 18, 2026
 
Forecast Discussion
 
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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