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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

67°F

19°C

Humidity 29%
Wind Speed W 13 mph
Barometer 30.12 in (1019.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 9 Apr 2:51 pm CDT
Extended Forecast for

Waukegan IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 65. South southwest wind around 5 mph, with gusts as high as 10 mph.

    High: 65 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms. Low around 41. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 47. North wind 5 to 10 mph.

    High: 47 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. East northeast wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. East southeast wind 5 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 72. Breezy.

    High: 72 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 65. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tonight
Showers and thunderstorms. Low around 41. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday
A 30 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 47. North wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 35. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 48. East southeast wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 72. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 54.
Wednesday
A chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
2:46 pm CDT Apr 9, 2026
Forecast Valid:
3pm CDT Apr 9, 2026-6pm CDT Apr 15, 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