Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
49°F
9°C
| Humidity | 80% |
| Wind Speed | SW 6 mph |
| Barometer | 29.89 in (1012.2 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 23 Apr 4:51 am CDT |
Extended Forecast for
Chicago / Waukegan, Waukegan Regional Airport IL
Today
High: 74 °F
Patchy Fog
then Mostly
SunnyTonight
Low: 58 °F
Partly Cloudy
then Showers
LikelyFriday
High: 70 °F
Showers
LikelyFriday Night
Low: 45 °F
Chance
Showers then
Partly CloudySaturday
High: 56 °F
Mostly Sunny
Saturday Night
Low: 44 °F
Mostly Cloudy
Sunday
High: 53 °F
Partly Sunny
Sunday Night
Low: 47 °F
Mostly Cloudy
then Chance
ShowersMonday
High: 56 °F
Showers
Likely
Detailed Forecast
Today
Patchy fog before 7am. Otherwise, sunny, with a high near 74. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 70. South wind around 10 mph becoming west northwest in the afternoon. 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.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 45. Northwest wind around 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 56. North northeast wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 53.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 47.
Monday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 56.
Monday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 62.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
42.41°N 87.87°W
42.41°N 87.87°W
4:16 am CDT Apr 23, 2026
5am CDT Apr 23, 2026-6pm CDT Apr 29, 2026
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