Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
41°F
5°C
| Humidity | 62% |
| Wind Speed | E 3 mph |
| Barometer | 30.16 in (1022.1 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 6:51 pm CDT |
Extended Forecast for
Third Lake IL
Freeze Warning April 20, 12:00am until April 20, 09:00am
Tonight

Low: 27 °F
Frost
Monday

High: 50 °F
Frost then
Mostly SunnyMonday Night

Low: 41 °F
Mostly Cloudy
Tuesday

High: 72 °F
Mostly Sunny
Tuesday Night

Low: 46 °F
Partly Cloudy
Wednesday

High: 68 °F
Sunny
Wednesday Night

Low: 51 °F
Partly Cloudy
Thursday
High: 78 °F
Mostly Sunny
then Mostly
Sunny and
BreezyThursday Night

Low: 59 °F
Showers
Likely
Detailed Forecast
Tonight
Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 27. North northeast wind 5 to 10 mph becoming light after midnight.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 50. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 41. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 46. West wind around 5 mph becoming north after midnight. Winds could gust as high as 10 mph.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 78. Breezy.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 60.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Third Lake IL
42.37°N 87.99°W
42.37°N 87.99°W
6:46 pm CDT Apr 19, 2026
7pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026



