Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

26°F

-3°C

Humidity 84%
Wind Speed NE 10 mph
Barometer 30.23 in (1025.0 mb)
Dewpoint 22°F (-6°C)
Visibility 9.00 mi
Wind Chill16°F (-9°C)
Last update 28 Feb 3:51 pm CST
Extended Forecast for

Round Lake Heights IL

  • This Afternoon

    This Afternoon: A 30 percent chance of snow.  Cloudy, with a steady temperature around 30. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 30 °F

    Chance Snow

  • Tonight

    Tonight: Isolated snow showers after midnight.  Mostly cloudy, with a low around 22. North northeast wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 20%.

    Low: 22 °F

    Cloudy then
    Isolated Snow
    Showers

  • Sunday

    Sunday: Scattered flurries before noon.  Mostly sunny, with a high near 31. North wind 5 to 10 mph becoming east in the afternoon.

    High: 31 °F

    Scattered
    Flurries

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. East wind around 5 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, possibly mixed with snow, mainly after midnight.  Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain likely, mainly before noon.  Cloudy, with a high near 43. Chance of precipitation is 70%.

    High: 43 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain.  Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 30 percent chance of snow. Cloudy, with a steady temperature around 30. Northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
Isolated snow showers after midnight. Mostly cloudy, with a low around 22. North northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Sunday
Scattered flurries before noon. Mostly sunny, with a high near 31. North wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 20. East wind around 5 mph.
Monday
Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Rain likely, possibly mixed with snow, mainly after midnight. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly before noon. Cloudy, with a high near 43. Chance of precipitation is 70%.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 32.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
Rain likely. Mostly cloudy, with a high near 62.
Friday Night
Rain likely. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
4:26 pm CST Feb 28, 2026
4pm CST Feb 28, 2026-6pm CST Mar 7, 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