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

55°F

13°C

Humidity 62%
Wind Speed SW 14 mph
Barometer 30.19 in (1022.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 10 Oct 8:51 am CDT
Extended Forecast for

Round Lake IL

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Cloudy, with a high near 65. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 41. West wind 5 to 10 mph becoming north in the evening.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 66. North northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 66 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. Cloudy, with a high near 65. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 41. West wind 5 to 10 mph becoming north in the evening.
Saturday
Increasing clouds, with a high near 66. North northwest wind 5 to 10 mph becoming northeast in the afternoon.
Saturday Night
Mostly clear, with a low around 47. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 69. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 52.
Columbus Day
Partly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake IL
 42.35°N 88.11°W
Last Update:
4:56 am CDT Oct 10, 2025
Forecast Valid:
9am CDT Oct 10, 2025-6pm CDT Oct 16, 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