Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

21°F

-6°C

Humidity 43%
Wind Speed NW 9 mph
Barometer 30.16 in (1023.5 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 17 Mar 2:51 pm CDT
Extended Forecast for

Round Lake Heights IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 23. West southwest wind around 10 mph.

    High: 23 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly after 11pm.  Low around 17. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A chance of snow and freezing rain before 7am.  Mostly cloudy, with a high near 38. Southwest wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 30%.

    High: 38 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 34. Southwest wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 46. South southwest wind around 5 mph becoming north northeast in the afternoon. Winds could gust as high as 10 mph.

    High: 46 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 23. West southwest wind around 10 mph.
Tonight
Snow, mainly after 11pm. Low around 17. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday
A chance of snow and freezing rain before 7am. Mostly cloudy, with a high near 38. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 34. Southwest wind around 5 mph.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 46. South southwest wind around 5 mph becoming north northeast in the afternoon. Winds could gust as high as 10 mph.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 54.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
2:46 pm CDT Mar 17, 2026
3pm CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database