Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
51°F
11°C
| Humidity | 56% |
| Wind Speed | S 7 mph |
| Barometer | 30.34 in (1027.7 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 18 Oct 8:51 pm CDT |
Extended Forecast for
Round Lake IL
Tonight
Low: 39 °F
Clear
Monday
High: 67 °F
Sunny
Monday Night
Low: 42 °F
Partly Cloudy
Tuesday
High: 66 °F
Decreasing
CloudsTuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 69 °F
Sunny
Wednesday Night
Low: 48 °F
Mostly Clear
Thursday
High: 70 °F
Sunny
Thursday Night
Low: 50 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 39. Southwest wind around 5 mph.
Monday
Sunny, with a high near 67. South wind around 5 mph.
Monday Night
Partly cloudy, with a low around 42. East southeast wind around 5 mph becoming calm.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 70.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Round Lake IL
42.35°N 88.11°W
42.35°N 88.11°W
7:01 pm CDT Oct 18, 2026
9pm CDT Oct 18, 2026-6pm CDT Oct 25, 2026
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