Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
15°F
-9°C
| Humidity | 46% |
| Wind Speed | N 9 mph |
| Barometer | 30.29 in (1027.2 mb) |
| Dewpoint | -2°F (-19°C) |
| Visibility | 10.00 mi |
| Wind Chill | 3°F (-16°C) |
| Last update | 7 Feb 12:51 am CST |
Extended Forecast for
Grayslake IL
Overnight
Low: 7 °F
Mostly Clear
Saturday
High: 23 °F
Sunny
Saturday Night
Low: 18 °F
Cloudy
Sunday
High: 29 °F
Partly Sunny
Sunday Night
Low: 20 °F
Mostly Cloudy
Monday
High: 40 °F
Mostly Sunny
Monday Night
Low: 33 °F
Partly Cloudy
Tuesday
High: 50 °F
Partly Sunny
Tuesday Night
Low: 29 °F
Chance Rain
Detailed Forecast
Overnight
Mostly clear, with a low around 7. Wind chill values as low as zero. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 23. Wind chill values as low as zero. North northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Cloudy, with a low around 18. Southeast wind around 5 mph.
Sunday
Partly sunny, with a high near 29. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 20. South wind around 5 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
A chance of rain. Cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 39.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grayslake IL
42.35°N 88.02°W
42.35°N 88.02°W
12:41 am CST Feb 7, 2026
1am CST Feb 7, 2026-6pm CST Feb 13, 2026
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