National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

35°F

2°C

Humidity 52%
Wind Speed W 18 G 26 mph
Barometer 30.06 in (1019.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 25 Jan 5:51 pm CST
Extended Forecast for

Grayslake IL

  • Tonight

    Tonight: A slight chance of flurries before 8pm. Partly cloudy, with a low around 12. Wind chill values as low as 1. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Slight Chance
    Flurries

  • Sunday

    Sunday: Sunny, with a high near 27. Wind chill values as low as zero. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 43. Windy, with a west southwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 43 °F

    Increasing
    Clouds and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.

    Low: 27 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of flurries before 8pm. Partly cloudy, with a low around 12. Wind chill values as low as 1. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 27. Wind chill values as low as zero. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 18. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Increasing clouds, with a high near 43. Windy, with a west southwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.
Monday Night
Partly cloudy, with a low around 27. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 23.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A chance of rain. Mostly cloudy, with a high near 37.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Grayslake IL
 42.35°N 88.02°W
Last Update:
4:41 pm CST Jan 25, 2025
Forecast Valid:
6pm CST Jan 25, 2025-6pm CST Feb 1, 2025
 
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