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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

11°F

-12°C

Humidity 96%
Wind Speed NW 5 mph
Barometer 30.42 in (1032.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 1 Dec 3:51 am CST
Extended Forecast for

Round Lake IL

Winter Weather Advisory December 1, 02:00pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow, mainly after 3pm. Patchy fog before 7am. High near 29. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Patchy Fog
    then Snow

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 15. Calm wind becoming west northwest around 5 mph in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 15 °F

    Snow then
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 24. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 24 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 32 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 0.

    Low: 0 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 14.

    High: 14 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

Detailed Forecast

Today
Snow, mainly after 3pm. Patchy fog before 7am. High near 29. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly before 11pm. Low around 15. Calm wind becoming west northwest around 5 mph in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 24. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 16. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Snow likely, mainly after noon. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 0.
Thursday
Sunny, with a high near 14.
Thursday Night
Partly cloudy, with a low around -3.
Friday
Partly sunny, with a high near 22.
Friday Night
A chance of snow before midnight. Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake IL
 42.33°N 88.11°W
Last Update:
3:51 am CST Dec 1, 2025
Forecast Valid:
4am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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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