Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
65°F
18°C
| Humidity | 93% |
| Wind Speed | SW 6 mph |
| Barometer | 30.00 in (1015.1 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 4:51 am CDT |
Extended Forecast for
Round Lake IL
Today
High: 84 °F
Mostly Sunny
Tonight
Low: 66 °F
Mostly Cloudy
then Chance
T-stormsWednesday
High: 78 °F
Showers
LikelyWednesday Night
Low: 61 °F
Showers
Thursday
High: 78 °F
Slight Chance
ShowersThursday Night
Low: 59 °F
Partly Cloudy
Friday
High: 81 °F
Mostly Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 84 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 66. South southwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 78. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 78. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
A chance of showers. Partly sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Round Lake IL
42.33°N 88.11°W
42.33°N 88.11°W
4:01 am CDT Aug 4, 2026
5am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
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