Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Light Rain
35°F
2°C
| Humidity | 89% |
| Wind Speed | E 18 G 28 mph |
| Barometer | 30.10 in (1020.2 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 8.00 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 2 Apr 12:51 am CDT |
Extended Forecast for
Round Lake Heights IL
Overnight

Low: 35 °F
Showers
Thursday

High: 67 °F
Showers and
BreezyThursday Night
Low: 44 °F
Breezy.
Showers
Likely then
Slight Chance
T-stormsFriday

High: 58 °F
Partly Sunny
Friday Night

Low: 40 °F
Showers
Saturday

High: 60 °F
Chance
Showers and
BreezySaturday Night

Low: 33 °F
Mostly Cloudy
Sunday

High: 50 °F
Partly Sunny
Sunday Night

Low: 33 °F
Mostly Clear
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Low around 35. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 67. Breezy, with an east wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 58. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 40. East northeast wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly cloudy, with a high near 60. Breezy. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Partly 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
1:15 am CDT Apr 2, 2026
1am CDT Apr 2, 2026-6pm CDT Apr 8, 2026



