Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
74°F
23°C
| Humidity | 91% |
| Wind Speed | E 10 mph |
| Barometer | 29.82 in (1008.7 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 12 Aug 6:51 pm CDT |
Extended Forecast for
Chicago / Waukegan, Waukegan Regional Airport IL
Tonight
Low: 66 °F
Partly Cloudy
then Patchy
FogThursday
High: 75 °F
Slight Chance
Showers and
Patchy Fog
then Chance
ShowersThursday Night
Low: 65 °F
Chance
ShowersFriday
High: 76 °F
Chance
ShowersFriday Night
Low: 66 °F
Chance
T-storms then
Showers
LikelySaturday
High: 79 °F
Chance
Showers then
Chance
T-stormsSaturday Night
Low: 68 °F
Chance
T-stormsSunday
High: 79 °F
Chance
T-stormsSunday Night
Low: 63 °F
Mostly Cloudy
Detailed Forecast
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 65. East northeast wind around 5 mph, with gusts as high as 10 mph.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 76. East wind around 10 mph, with gusts as high as 15 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East northeast wind around 10 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A chance of showers. Mostly sunny, with a high near 78.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
42.43°N 87.87°W
42.43°N 87.87°W
3:36 pm CDT Aug 12, 2026
7pm CDT Aug 12, 2026-6pm CDT Aug 19, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
