Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
20°F
-7°C
| Humidity | 57% |
| Wind Speed | E 5 mph |
| Barometer | 30.37 in (1030.7 mb) |
| Dewpoint | 7°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 7 Feb 3:51 pm CST |
Extended Forecast for
Round Lake Heights IL
Tonight
Low: 17 °F
Chance Snow
Sunday
High: 30 °F
Partly Sunny
Sunday Night
Low: 20 °F
Mostly Cloudy
Monday
High: 40 °F
Mostly Cloudy
Monday Night
Low: 32 °F
Mostly Cloudy
Tuesday
High: 42 °F
Mostly Cloudy
Tuesday Night
Low: 25 °F
Mostly Cloudy
Wednesday
High: 37 °F
Mostly Sunny
Wednesday Night
Low: 24 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 40 percent chance of snow, mainly before 4am. Cloudy, with a low around 17. East southeast wind around 5 mph, with gusts as high as 10 mph.
Sunday
Partly sunny, with a high near 30. 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 cloudy, with a high near 40. South southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind 5 to 10 mph becoming west after midnight.
Tuesday
Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 36.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Round Lake Heights IL
42.38°N 88.11°W
42.38°N 88.11°W
3:11 pm CST Feb 7, 2026
4pm CST Feb 7, 2026-6pm CST Feb 14, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
