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Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
78°F
26°C
| Humidity | 76% |
| Wind Speed | SE 10 mph |
| Barometer | 29.91 in (1011.5 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 3 Sep 5:51 pm CDT |
Extended Forecast for
Round Lake Beach IL
Tonight
Low: 70 °F
Mostly Clear
then Chance
T-stormsFriday
High: 88 °F
Chance
Showers then
Mostly SunnyFriday Night
Low: 68 °F
Chance
T-stormsSaturday
High: 81 °F
Slight Chance
T-storms then
Slight Chance
ShowersSaturday Night
Low: 63 °F
Partly Cloudy
Sunday
High: 79 °F
Mostly Sunny
Sunday Night
Low: 62 °F
Partly Cloudy
Labor Day
High: 79 °F
Mostly Sunny
Monday Night
Low: 63 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 70. Southeast wind 5 to 10 mph becoming south southwest after midnight.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 96. North northeast wind around 5 mph becoming south southwest in the morning. Winds could gust as high as 15 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 81. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 63. Northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 62.
Labor Day
Mostly sunny, with a high near 79.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 83.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66.
Thursday
Partly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Round Lake Beach IL
42.37°N 88.05°W
42.37°N 88.05°W
5:51 pm CDT Sep 3, 2026
6pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
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