News Headlines
Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Mostly Cloudy
75°F
24°C
| Humidity | 79% |
| Wind Speed | SW 6 mph |
| Barometer | 30.00 in (1014.4 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 10:51 pm CDT |
Extended Forecast for
Waukegan IL
Tonight

Low: 70 °F
Chance
ShowersWednesday

High: 76 °F
T-storms
Wednesday Night

Low: 62 °F
T-storms
LikelyThursday

High: 75 °F
Partly Sunny
Thursday Night

Low: 62 °F
Partly Cloudy
Friday

High: 80 °F
Mostly Sunny
Friday Night

Low: 65 °F
Slight Chance
T-stormsSaturday

High: 83 °F
Mostly Sunny
Saturday Night

Low: 66 °F
Chance
T-storms
Detailed Forecast
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms, mainly before 1pm. High near 76. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 62. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Partly sunny, with a high near 75. North wind around 5 mph becoming east in the afternoon.
Thursday Night
Partly cloudy, with a low around 62. East wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 80.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A chance of showers after 1pm. Partly sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 83.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers. Mostly cloudy, with a high near 78.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Waukegan IL
42.37°N 87.88°W
42.37°N 87.88°W
8:56 pm CDT Aug 4, 2026
11pm CDT Aug 4, 2026-6pm CDT Aug 11, 2026



