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

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

69°F

21°C

Humidity 84%
Wind Speed NE 12 G 20 mph
Barometer 30.13 in (1019.3 mb)
Dewpoint 64°F (18°C)
Visibility 8.00 mi
Last update 30 Jul 11:51 pm CDT
Extended Forecast for

Round Lake Park IL

  • Overnight

    Overnight: Showers likely, mainly before 4am. Cloudy, with a low around 64. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers before 7am. Patchy smoke. Mostly cloudy, then gradually becoming sunny, with a high near 74. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Chance
    Showers then
    Patchy Smoke

  • Thursday Night

    Thursday Night: Patchy smoke before 1am. Partly cloudy, with a low around 61. North northeast wind 10 to 15 mph.

    Low: 61 °F

    Patchy Smoke

  • Friday

    Friday: Sunny, with a high near 74. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. North northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 4am. Cloudy, with a low around 64. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers before 7am. Patchy smoke. Mostly cloudy, then gradually becoming sunny, with a high near 74. Northeast wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Patchy smoke before 1am. Partly cloudy, with a low around 61. North northeast wind 10 to 15 mph.
Friday
Sunny, with a high near 74. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 55. North northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A chance of showers. Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Park IL
 42.33°N 88.08°W
Last Update:
10:06 pm CDT Jul 30, 2025
Forecast Valid:
12am CDT Jul 31, 2025-6pm CDT Aug 6, 2025
 
Forecast Discussion
 
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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