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.

Fair

45°F

7°C

Humidity 44%
Wind Speed W 6 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 3 Nov 10:51 pm CST
Extended Forecast for

Round Lake IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. West southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59. West southwest wind 10 to 15 mph becoming northwest in the morning. Winds could gust as high as 25 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: A chance of rain before noon. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. West southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Partly sunny, with a high near 60. Southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 48. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 59. West southwest wind 10 to 15 mph becoming northwest in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
Partly sunny, with a high near 56.
Thursday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Friday
A chance of rain before noon. Partly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
A chance of rain after noon. Partly sunny, with a high near 49.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake IL
 42.33°N 88.11°W
Last Update:
7:51 pm CST Nov 3, 2025
Forecast Valid:
11pm CST Nov 3, 2025-6pm CST Nov 10, 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