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.

Snow Freezing Fog

17°F

-8°C

Humidity 84%
Wind Speed N 9 mph
Barometer 30.36 in (1030.5 mb)
Dewpoint 13°F (-11°C)
Visibility 0.50 mi
Wind Chill6°F (-14°C)
Last update 30 Jan 12:51 pm CST
Extended Forecast for

Round Lake Heights IL

Winter Weather Advisory January 30, 01:26pm until January 30, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 30, 01:26pm until January 30, 06:00pm

    NOW until 6:00pm Fri

    Winter Weather Advisory

  • This Afternoon

    High: 19 °F

    Snow Showers

  • Tonight

    Tonight: Scattered snow showers, mainly before 8pm. Mostly cloudy, with a low around 7. Wind chill values as low as -8. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 7 °F

    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24. Wind chill values as low as -7. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6. North northwest wind around 5 mph becoming calm in the evening.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow showers, mainly before 5pm. High near 19. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Scattered snow showers, mainly before 8pm. Mostly cloudy, with a low around 7. Wind chill values as low as -8. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 24. Wind chill values as low as -7. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 6. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 26. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 29.
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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:
12:41 pm CST Jan 30, 2026
Forecast Valid:
1pm CST Jan 30, 2026-6pm CST Feb 5, 2026
 
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