Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
33°F
1°C
| Humidity | 56% |
| Wind Speed | W 9 G 18 mph |
| Barometer | 30.21 in (1024.1 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 11 Feb 10:51 am CST |
Extended Forecast for
Grayslake IL
Today
High: 38 °F
Sunny
Tonight
Low: 21 °F
Increasing
CloudsThursday
High: 38 °F
Decreasing
CloudsThursday Night
Low: 26 °F
Mostly Clear
Friday
High: 49 °F
Sunny
Friday Night
Low: 30 °F
Mostly Clear
Saturday
High: 48 °F
Sunny
Saturday Night
Low: 32 °F
Partly Cloudy
Sunday
High: 50 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 38. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 21. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 38. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 26. Calm wind becoming southwest around 5 mph after midnight.
Friday
Sunny, with a high near 49. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 31.
Washington's Birthday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 54.
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
11:36 am CST Feb 11, 2026
11am CST Feb 11, 2026-6pm CST Feb 17, 2026
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