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

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Mostly Cloudy

26°C

79°F

Humidity 72%
Wind Speed SE 6 km/h
Barometer 1011.9 mb (29.93 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 15 Jul 9:51 pm CDT
Extended Forecast for

2 Miles ESE Waukegan IL

  • Tonight

    Tonight: A slight chance of showers between 11pm and 3am. Partly cloudy, with a low around 22. South southwest wind 5 to 10 km/h. Chance of precipitation is 20%.

    Low: 22 °C

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 31. Heat index values as high as 35. South southeast wind 10 to 15 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 31 °C

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 19. Southwest wind 10 to 20 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 19 °C

    T-storms
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 22. North wind 15 to 25 km/h.

    High: 22 °C

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. North northeast wind 15 to 20 km/h, with gusts as high as 30 km/h.

    Low: 16 °C

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 23.

    High: 23 °C

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 18.

    Low: 18 °C

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 27.

    High: 27 °C

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 20.

    Low: 20 °C

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 11pm and 3am. Partly cloudy, with a low around 22. South southwest wind 5 to 10 km/h. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 31. Heat index values as high as 35. South southeast wind 10 to 15 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 19. Southwest wind 10 to 20 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 22. North wind 15 to 25 km/h.
Thursday Night
Partly cloudy, with a low around 16. North northeast wind 15 to 20 km/h, with gusts as high as 30 km/h.
Friday
Sunny, with a high near 23.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 18.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 27.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 25.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Waukegan IL
 42.37°N 87.85°W
Last Update:
9:07 pm CDT Jul 15, 2025
Forecast Valid:
9pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
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