Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
A Few Clouds
55°F
13°C
| Humidity | 83% |
| Wind Speed | E 3 mph |
| Barometer | 29.80 in (1009.1 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 17 May 7:51 pm CDT |
Extended Forecast for
Round Lake IL
Tonight
Low: 68 °F
Partly Cloudy
then Chance
Showers and
BreezyMonday
High: 80 °F
Breezy.
Showers
Likely then
Chance
T-stormsMonday Night
Low: 66 °F
Slight Chance
T-storms then
Showers
Likely and
BreezyTuesday
High: 79 °F
Showers
Likely and
BreezyTuesday Night
Low: 47 °F
Mostly Cloudy
Wednesday
High: 59 °F
Mostly Sunny
Wednesday Night
Low: 41 °F
Partly Cloudy
Thursday
High: 60 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 30 percent chance of showers after 5am. Partly cloudy, with a low around 68. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 80. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 79. Breezy, with a south southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 47. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 67.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 78.
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
2:41 pm CDT May 17, 2026
8pm CDT May 17, 2026-6pm CDT May 24, 2026
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