Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
46°F
8°C
| Humidity | 50% |
| Wind Speed | SE 15 mph |
| Barometer | 30.30 in (1027.0 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 20 Apr 1:51 pm CDT |
Extended Forecast for
Long Lake IL
This Afternoon

High: 54 °F
Sunny
Tonight

Low: 43 °F
Mostly Cloudy
Tuesday

High: 74 °F
Mostly Sunny
Tuesday Night

Low: 46 °F
Partly Cloudy
Wednesday

High: 70 °F
Sunny
Wednesday Night

Low: 50 °F
Partly Cloudy
Thursday

High: 79 °F
Mostly Sunny
Thursday Night

Low: 61 °F
Showers
LikelyFriday

High: 73 °F
Showers
Likely
Detailed Forecast
This Afternoon
Sunny, with a high near 54. South wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 43. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 74. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 46. West wind around 5 mph becoming north northeast after midnight. Winds could gust as high as 10 mph.
Wednesday
Sunny, with a high near 70. East wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 61.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 59.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Long Lake IL
42.38°N 88.14°W
42.38°N 88.14°W
1:20 pm CDT Apr 20, 2026
2pm CDT Apr 20, 2026-6pm CDT Apr 26, 2026


