Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
37°F
3°C
| Humidity | 86% |
| Wind Speed | NE 14 mph |
| Barometer | 29.48 in (998.8 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 19 Feb 8:51 pm CST |
Extended Forecast for
Round Lake Heights IL
Wind Advisory February 20, 06:00am until February 20, 04:00pm
Tonight

Low: 42 °F
Showers and
Patchy FogFriday
High: 36 °F⇓
Breezy.
Rain/Snow
Likely then
Chance
FlurriesFriday Night

Low: 25 °F
Partly Cloudy
Saturday

High: 36 °F
Partly Sunny
Saturday Night
Low: 24 °F
Mostly Cloudy
then Slight
Chance SnowSunday
High: 30 °F
Slight Chance
Snow then
Mostly CloudySunday Night

Low: 17 °F
Slight Chance
SnowMonday

High: 30 °F
Partly Sunny
Monday Night

Low: 17 °F
Mostly Cloudy
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 1am, then a chance of showers. Patchy fog after midnight. Steady temperature around 42. Northeast wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain likely, possibly mixed with snow showers before 8am, then snow showers likely between 8am and noon, then a chance of flurries after noon. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a west wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 25. West wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 24. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 30.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 44.
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
8:21 pm CST Feb 19, 2026
9pm CST Feb 19, 2026-6pm CST Feb 26, 2026



