National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

56°F

13°C

Humidity 75%
Wind Speed SW 9 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Jun 6:51 am CDT
Extended Forecast for

3 Miles SW Antioch IL

  • Today

    Today: Increasing clouds, with a high near 74. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 74 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 1pm and 5pm. Increasing clouds, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 52. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 72. Breezy, with a west southwest wind 5 to 10 mph becoming southeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    High: 72 °F

    Chance
    Showers then
    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    T-storms then
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70. Breezy.

    High: 70 °F

    Mostly Sunny
    and Breezy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 74. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Showers and thunderstorms likely, mainly between 1pm and 5pm. Increasing clouds, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 52. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 72. Breezy, with a west southwest wind 5 to 10 mph becoming southeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 57. Chance of precipitation is 80%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70. Breezy.
Thursday Night
Partly cloudy, with a low around 52.
Juneteenth
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
A chance of showers. Partly cloudy, with a low around 56.
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:
3 Miles SW Antioch IL
 42.44°N 88.14°W
Last Update:
2:51 am CDT Jun 15, 2026
Forecast Valid:
7am CDT Jun 15, 2026-6pm CDT Jun 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation