Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

44°F

7°C

Humidity 45%
Wind Speed W 3 mph
Barometer 29.70 in (1006.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 27 Feb 6:51 pm CST
Extended Forecast for

Round Lake Heights IL

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow, mainly between 11am and 4pm.  Mostly cloudy, with a high near 34. North wind 5 to 10 mph becoming east northeast in the morning. Winds could gust as high as 15 mph.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. North northeast wind 5 to 10 mph.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 19. East northeast wind around 5 mph becoming calm.

    Low: 19 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain.  Cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
A 30 percent chance of snow, mainly between 11am and 4pm. Mostly cloudy, with a high near 34. North wind 5 to 10 mph becoming east northeast in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 20. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 30. North northeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19. East northeast wind around 5 mph becoming calm.
Monday
Partly sunny, with a high near 38.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 29.
Tuesday
A chance of rain. Cloudy, with a high near 42.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 30.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 46.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 36.
Thursday
Rain likely. Cloudy, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
6:06 pm CST Feb 27, 2026
7pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
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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