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 and Breezy

33°F

1°C

Humidity 75%
Wind Speed W 22 G 38 mph
Barometer 29.51 in (1000.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 20 Feb 11:51 am CST
Extended Forecast for

Round Lake Heights IL

Wind Advisory February 20, 12:11pm until February 20, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory February 20, 12:11pm until February 20, 04:00pm

    NOW until 4:00pm Fri

    Wind Advisory

  • This Afternoon

    High: 35 °F

    Scattered
    Snow Showers
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36. West northwest wind 10 to 15 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 24. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Cloudy then
    Slight Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 30 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Scattered snow showers before 2pm, then scattered flurries between 2pm and 5pm. Cloudy, with a high near 35. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 36. West northwest wind 10 to 15 mph.
Saturday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 24. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
Last Update:
12:06 pm CST Feb 20, 2026
Forecast Valid:
12pm CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation