Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Light Rain Fog/Mist
56°F
13°C
| Humidity | 100% |
| Wind Speed | S 10 mph |
| Barometer | 29.86 in (1011.3 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 4.00 mi |
| Last update | 6 Mar 12:51 pm CST |
Extended Forecast for
Grayslake IL
This Afternoon

High: 64 °F
Showers
LikelyTonight
Low: 58 °F
Chance
T-storms then
T-storms and
BreezySaturday
High: 59 °F⇓
Breezy.
Showers
Likely then
Mostly CloudySaturday Night

Low: 34 °F
Decreasing
CloudsSunday

High: 60 °F
Sunny and
BreezySunday Night

Low: 46 °F
Mostly Clear
Monday

High: 69 °F
Sunny
Monday Night

Low: 41 °F
Mostly Clear
Tuesday
High: 54 °F
Sunny then
Showers
Likely
Detailed Forecast
This Afternoon
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 64. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 58. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a temperature rising to near 59 by 9am, then falling to around 44 during the remainder of the day. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Showers likely after noon. Mostly sunny, with a high near 54.
Tuesday Night
Showers likely, mainly before midnight. Cloudy, with a low around 34.
Wednesday
A chance of showers. Mostly cloudy, with a high near 42.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Sunny, with a high near 47.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grayslake IL
42.35°N 88.02°W
42.35°N 88.02°W
12:46 pm CST Mar 6, 2026
1pm CST Mar 6, 2026-6pm CDT Mar 12, 2026



