National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

52°F

11°C

Humidity 97%
Wind Speed SW 9 mph
Barometer 29.67 in (1004.5 mb)
Dewpoint 51°F (11°C)
Visibility 8.00 mi
Wind Chill49°F (9°C)
Last update 4 Nov 6:51 pm CST
Extended Forecast for

Round Lake Park IL

  • Tonight

    Tonight: Areas of drizzle. Cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Areas Drizzle

  • Thursday

    Thursday: Showers likely, mainly after 5pm. Cloudy, with a high near 51. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 36. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. North northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of drizzle. Cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Showers likely, mainly after 5pm. Cloudy, with a high near 51. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 36. North wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 49. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 31. North northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 37.
Veterans Day
Mostly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Park IL
 42.33°N 88.08°W
Last Update:
5:46 pm CST Nov 4, 2026
Forecast Valid:
7pm CST Nov 4, 2026-6pm CST Nov 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation