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

14°F

-10°C

Humidity 64%
Wind Speed W 15 G 26 mph
Barometer 29.92 in (1015.2 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 17 Jan 9:51 am CST
Extended Forecast for

Round Lake Beach IL

  • Today

    Today: Isolated snow showers before 11am, then snow, mainly after 11am. High near 18. Wind chill values as low as -1. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.

    High: 18 °F

    Chance Snow
    then Snow

  • Tonight

    Tonight: Snow, mainly before 9pm, then a slight chance of flurries after 11pm. Low around 7. Wind chill values as low as -6. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 18. Wind chill values as low as -8. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Partly Sunny
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 2. Wind chill values as low as -16. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 2 °F

    Snow Likely
    then Mostly
    Cloudy and
    Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 7. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 7 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

Detailed Forecast

Today
Isolated snow showers before 11am, then snow, mainly after 11am. High near 18. Wind chill values as low as -1. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow, mainly before 9pm, then a slight chance of flurries after 11pm. Low around 7. Wind chill values as low as -6. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 18. Wind chill values as low as -8. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 2. Wind chill values as low as -16. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
M.L.King Day
Partly sunny and cold, with a high near 7. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around -1.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Partly sunny, with a high near 17.
Thursday Night
Mostly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 20.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Beach IL
 42.37°N 88.08°W
Last Update:
10:16 am CST Jan 17, 2026
Forecast Valid:
10am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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