Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

77°F

25°C

Humidity 77%
Wind Speed SW 14 mph
Barometer 29.78 in (1007.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Jun 7:51 pm CDT
Extended Forecast for

Waukegan IL

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers.  Mostly cloudy, with a low around 60. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. West wind 10 to 15 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then showers and possibly a thunderstorm after 1pm.  High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Slight Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 75.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers, mainly before 1am.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 60. Southwest wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 54. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 77. West wind 10 to 15 mph.
Monday Night
Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A slight chance of showers, then showers and possibly a thunderstorm after 1pm. High near 77. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 75.
Wednesday Night
Showers, mainly before 1am. Mostly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Juneteenth
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
7:56 pm CDT Jun 13, 2026
8pm CDT Jun 13, 2026-6pm CDT Jun 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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