Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
58°F
14°C
| Humidity | 87% |
| Wind Speed | E 9 mph |
| Barometer | 30.06 in (1017.7 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 10:51 am CDT |
Extended Forecast for
Great Lakes IL
Today
High: 61 °F
Showers
Tonight
Low: 46 °F
Showers
Likely then
Mostly Cloudy
and BreezyFriday
High: 52 °F
Showers
Likely and
BreezyFriday Night
Low: 38 °F
Scattered
Showers and
BreezySaturday
High: 55 °F
Sunny
Saturday Night
Low: 43 °F
Clear
Sunday
High: 59 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
Monday
High: 64 °F
Mostly Sunny
Detailed Forecast
Today
Showers, with thunderstorms also possible after 4pm. High near 61. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then isolated showers between 10pm and midnight. Cloudy, with a low around 46. Breezy, with a south southwest wind 5 to 10 mph becoming west 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 52. Breezy, with a west northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Scattered showers, mainly before 7pm. Partly cloudy, with a low around 38. Breezy, with a north wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 55. North northwest wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Clear, with a low around 43.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 66.
Additional Forecasts and Information
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Point Forecast:
Great Lakes IL
42.3°N 87.85°W
42.3°N 87.85°W
11:31 am CDT Oct 15, 2026
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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