Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
34°F
1°C
| Humidity | 76% |
| Wind Speed | N 17 G 30 mph |
| Barometer | 29.96 in (1014.7 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 23°F (-5°C) |
| Last update | 22 Mar 3:51 pm CDT |
Extended Forecast for
Round Lake Heights IL
This Afternoon

High: 36 °F
Slight Chance
Showers and
BreezyTonight

Low: 25 °F
Mostly Cloudy
Monday

High: 44 °F
Sunny
Monday Night

Low: 28 °F
Mostly Cloudy
Tuesday

High: 52 °F
Mostly Cloudy
Tuesday Night

Low: 37 °F
Mostly Cloudy
Wednesday

High: 58 °F
Mostly Cloudy
Wednesday Night

Low: 44 °F
Mostly Cloudy
Thursday
High: 68 °F
Partly Sunny
then Chance
Showers
Detailed Forecast
This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 36. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 25. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 44. North wind around 5 mph becoming east northeast in the afternoon. Winds could gust as high as 10 mph.
Monday Night
Mostly cloudy, with a low around 28. Southeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 52. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
A chance of showers after 1pm. Mostly cloudy, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Round Lake Heights IL
42.38°N 88.11°W
42.38°N 88.11°W
3:56 pm CDT Mar 22, 2026
4pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026


