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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

76°F

24°C

Humidity 62%
Wind Speed NE 8 mph
Barometer 30.15 in (1020.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Aug 4:51 pm CDT
Extended Forecast for

Round Lake IL

  • Tonight

    Tonight: Partly cloudy, with a low around 62. East northeast wind 5 to 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy smoke before 10am. Mostly sunny, with a high near 82. East wind 5 to 10 mph.

    High: 82 °F

    Patchy Smoke
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming east southeast around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. East northeast wind 5 to 10 mph.
Tuesday
Patchy smoke before 10am. Mostly sunny, with a high near 82. East wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming east southeast around 5 mph in the morning. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
A chance of showers. Partly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake IL
 42.35°N 88.11°W
Last Update:
4:12 pm CDT Aug 4, 2025
Forecast Valid:
5pm CDT Aug 4, 2025-6pm CDT Aug 11, 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