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

26°F

-3°C

Humidity 78%
Wind Speed Calm
Barometer 30.37 in (1029.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 29 Nov 2:51 am CST
Extended Forecast for

2 Miles SSW Round Lake Park IL

Winter Storm Warning until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Overnight

    Low: 24 °F

    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Patchy blowing snow after noon. High near 31. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 31 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow. Patchy blowing snow before 7pm. Low around 28. Southeast wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow likely before noon. Cloudy, then gradually becoming mostly sunny, with a high near 31. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Blustery.
    Snow Likely
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 7 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.

    Low: 12 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow. Steady temperature around 24. South southeast wind around 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow. The snow could be heavy at times. Patchy blowing snow after noon. High near 31. Southeast wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow. Patchy blowing snow before 7pm. Low around 28. Southeast wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely before noon. Cloudy, then gradually becoming mostly sunny, with a high near 31. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 7. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 24.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
A chance of snow after noon. Mostly cloudy, with a high near 29.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 4.
Thursday
Mostly sunny, with a high near 18.
Thursday Night
Mostly cloudy, with a low around 5.
Friday
A chance of snow. Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Round Lake Park IL
 42.29°N 88.06°W
Last Update:
3:05 am CST Nov 29, 2025
Forecast Valid:
3am CST Nov 29, 2025-6pm CST Dec 5, 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