


Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Partly Cloudy
75°F
24°C
Humidity | 84% |
Wind Speed | N 3 mph |
Barometer | 29.93 in (1012.1 mb) |
Dewpoint | 70°F (21°C) |
Visibility | 10.00 mi |
Last update | 15 Jul 11:51 pm CDT |
Extended Forecast for
Waukegan IL
Overnight
Low: 72 °F
Slight Chance
ShowersWednesday
High: 87 °F
Mostly Sunny
then T-storms
LikelyWednesday Night
Low: 66 °F
T-storms
LikelyThursday
High: 71 °F
Slight Chance
T-stormsThursday Night
Low: 61 °F
Partly Cloudy
Friday
High: 73 °F
Sunny
Friday Night
Low: 65 °F
Partly Cloudy
then Chance
T-stormsSaturday
High: 80 °F
T-storms
LikelySaturday Night
Low: 68 °F
Chance
T-storms
Detailed Forecast
Overnight
A 20 percent chance of showers before 3am. Partly cloudy, with a low around 72. Calm wind becoming south southwest around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 87. Heat index values as high as 95. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 66. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 71. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 61. North northeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 73.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 80.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Waukegan IL
42.37°N 87.85°W
42.37°N 87.85°W
12:12 am CDT Jul 16, 2025
12am CDT Jul 16, 2025-6pm CDT Jul 22, 2025