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

    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.

    High: 64 °F

    Showers
    Likely

  • Tonight

    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.

    Low: 58 °F

    Chance
    T-storms then
    T-storms and
    Breezy

  • Saturday

    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.

    High: 59 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Saturday Night

    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.

    Low: 34 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely after noon.  Mostly sunny, with a high near 54.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Grayslake IL
 42.35°N 88.02°W
12:46 pm CST Mar 6, 2026
1pm CST Mar 6, 2026-6pm CDT Mar 12, 2026
 
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