Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
41°F
5°C
| Humidity | 82% |
| Wind Speed | SW 9 mph |
| Barometer | 29.79 in (1009.5 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 20 Mar 3:51 am CDT |
Extended Forecast for
Long Lake IL
Today
High: 60 °F
Mostly Cloudy
Tonight
Low: 37 °F
Mostly Cloudy
Saturday
High: 63 °F
Decreasing
CloudsSaturday Night
Low: 47 °F
Partly Cloudy
Sunday
High: 56 °F
Chance
ShowersSunday Night
Low: 30 °F
Mostly Cloudy
Monday
High: 46 °F
Mostly Sunny
Monday Night
Low: 31 °F
Mostly Cloudy
Tuesday
High: 54 °F
Mostly Cloudy
Detailed Forecast
Today
Mostly cloudy, with a high near 60. West southwest wind 10 to 15 mph becoming north northwest in the afternoon.
Tonight
Mostly cloudy, with a low around 37. North wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 63. South southeast wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 56. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 59.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Long Lake IL
42.38°N 88.14°W
42.38°N 88.14°W
3:26 am CDT Mar 20, 2026
4am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
