Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

20°F

-7°C

Humidity 65%
Wind Speed NW 9 mph
Barometer 30.18 in (1023.5 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 3 Dec 8:51 pm CST
Extended Forecast for

Grayslake IL

  • Tonight

    Tonight: A chance of flurries before 10pm.  Mostly clear, with a low around 0. Wind chill values as low as -10. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 0 °F

    Chance
    Flurries

  • Thursday

    Thursday: Sunny, with a high near 14. Wind chill values as low as -12. Northwest wind around 5 mph becoming calm  in the afternoon. Winds could gust as high as 10 mph.

    High: 14 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a temperature falling to near 0 by 8pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -8. Light southwest wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 0 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 25. Wind chill values as low as -7. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 25 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 19. Southwest wind 5 to 10 mph.

    Low: 19 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly after midnight.  Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of flurries before 10pm. Mostly clear, with a low around 0. Wind chill values as low as -10. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 14. Wind chill values as low as -12. Northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 10 mph.
Thursday Night
Partly cloudy, with a temperature falling to near 0 by 8pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -8. Light southwest wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 25. Wind chill values as low as -7. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 19. Southwest wind 5 to 10 mph.
Saturday
Mostly cloudy, with a high near 29.
Saturday Night
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 23.
Monday Night
Snow likely. Mostly cloudy, with a low around 13.
Tuesday
A chance of snow. Mostly cloudy, with a high near 32.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Grayslake IL
 42.35°N 88.02°W
6:51 pm CST Dec 3, 2025
9pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

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