Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
72°F
22°C
| Humidity | 82% |
| Wind Speed | N 7 mph |
| Barometer | 30.15 in (1019.8 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 14 Aug 8:51 pm CDT |
Extended Forecast for
Third Lake IL
Tonight
Low: 69 °F
Slight Chance
Showers then
Chance
ShowersSaturday
High: 79 °F
Showers
Likely then
Chance
ShowersSaturday Night
Low: 71 °F
Slight Chance
Showers then
Chance
T-stormsSunday

High: 83 °F
Slight Chance
T-stormsSunday Night

Low: 63 °F
Partly Cloudy
Monday

High: 79 °F
Mostly Sunny
Monday Night

Low: 62 °F
Mostly Clear
Tuesday

High: 81 °F
Mostly Sunny
Tuesday Night

Low: 65 °F
Showers
Likely
Detailed Forecast
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 3pm, then a slight chance of showers after 3pm. Cloudy, with a high near 79. South southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. South wind around 5 mph becoming west southwest after midnight. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 63. Northwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers before 1pm. Mostly cloudy, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 74.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Third Lake IL
42.37°N 88.02°W
42.37°N 88.02°W
9:06 pm CDT Aug 14, 2026
9pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026



