Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
60°F
16°C
| Humidity | 86% |
| Wind Speed | SW 10 mph |
| Barometer | 29.72 in (1006.5 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 3 Apr 12:51 am CDT |
Extended Forecast for
Round Lake Heights IL
Overnight

Low: 45 °F
Mostly Cloudy
Friday

High: 59 °F
Mostly Cloudy
Friday Night
Low: 40 °F
T-storms
Likely then
T-stormsSaturday

High: 58 °F
Chance
Showers and
BreezySaturday Night
Low: 34 °F
Mostly Cloudy
and Breezy
then Mostly
CloudySunday

High: 51 °F
Partly Sunny
Sunday Night

Low: 35 °F
Partly Cloudy
Monday

High: 48 °F
Mostly Sunny
Monday Night

Low: 25 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 45. West wind around 15 mph, with gusts as high as 30 mph.
Friday
Mostly cloudy, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 40. East northeast wind 10 to 15 mph becoming south southeast after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers before 1pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 58. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 61.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Mostly cloudy, with a high near 63.
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
1:21 am CDT Apr 3, 2026
2am CDT Apr 3, 2026-6pm CDT Apr 9, 2026



