


Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Light Rain
75°F
24°C
Humidity | 74% |
Wind Speed | SE 7 mph |
Barometer | 30.03 in (1015.9 mb) |
Dewpoint | 66°F (19°C) |
Visibility | 9.00 mi |
Last update | 20 Sep 3:51 pm CDT |
Extended Forecast for
Round Lake ILSimilar City Names
This Afternoon
High: 78 °F
T-storms
LikelyTonight
Low: 63 °F
Scattered
T-stormsSunday
High: 76 °F
Chance
Showers then
Chance
T-stormsSunday Night
Low: 60 °F
Chance
T-storms then
Chance
ShowersMonday
High: 77 °F
Chance
ShowersMonday Night
Low: 61 °F
Chance
T-stormsTuesday
High: 75 °F
Chance
ShowersTuesday Night
Low: 60 °F
Mostly Cloudy
Wednesday
High: 70 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers and thunderstorms likely before 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 78. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 5 mph. Chance of precipitation is 50%.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Southeast wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
A chance of showers. Partly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Round Lake ILSimilar City Names
42.35°N 88.11°W
42.35°N 88.11°W
2:41 pm CDT Sep 20, 2025
3pm CDT Sep 20, 2025-6pm CDT Sep 26, 2025