Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
56°F
13°C
| Humidity | 44% |
| Wind Speed | SW 15 mph |
| Barometer | 30.41 in (1030.2 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 4:51 pm CDT |
Extended Forecast for
Grayslake IL
Tonight
Low: 37 °F
Clear
Sunday
High: 61 °F
Sunny
Sunday Night
Low: 39 °F
Clear
Monday
High: 66 °F
Sunny
Monday Night
Low: 42 °F
Partly Cloudy
Tuesday
High: 67 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 70 °F
Sunny
Wednesday Night
Low: 49 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 37. South southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 61. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 39. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 69.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grayslake IL
42.35°N 88.05°W
42.35°N 88.05°W
2:41 pm CDT Oct 17, 2026
5pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
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