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

20°F

-7°C

Humidity 60%
Wind Speed N 17 G 28 mph
Barometer 30.43 in (1032.5 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 23 Feb 6:51 am CST
Extended Forecast for

Round Lake Beach IL

  • Today

    Today: A chance of snow showers before 8am, then a chance of flurries after 8am. Partly sunny, with a high near 26. Wind chill values as low as 1. North northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 40 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 32. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 37.

    High: 37 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
A chance of snow showers before 8am, then a chance of flurries after 8am. Partly sunny, with a high near 26. Wind chill values as low as 1. North northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 15. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 20. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 32. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 20.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A chance of snow. Partly sunny, with a high near 32.
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 88.05°W
Last Update:
5:21 am CST Feb 23, 2026
Forecast Valid:
7am CST Feb 23, 2026-6pm CST Mar 1, 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