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Wintry, Windy, and Cold in the West and North; Warming in the East

A deepening trough along the west will bring much below normal temperatures, and the potential for snow to sea-level in the Pacific Northwest, and low elevation snows throughout California, including into the Grapevine. Travel will be hazardous across the west due to snow and strong winds. These winds will also increase fire weather threats in the central and southern Plains. Warming in the east. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

25°F

-4°C

Humidity 85%
Wind Speed W 6 mph
Barometer 30.19 in (1023.6 mb)
Dewpoint 21°F (-6°C)
Visibility 9.00 mi
Wind Chill18°F (-8°C)
Last update 18 Feb 1:55 am CST
Extended Forecast for

Grayslake IL

  • Overnight

    Overnight: Patchy freezing fog after 4am. Clear, with a low around 20. South southwest wind around 5 mph.

    Patchy
    Freezing Fog

    Low: 20 °F

  • Sunday

    Sunday: Patchy dense freezing fog before 9am. Mostly sunny, with a high near 42. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    Patchy Dense
    Freezing Fog
    then Mostly
    Sunny and
    Breezy

    High: 42 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers after midnight.  Increasing clouds, with a low around 36. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    Partly Cloudy
    and Breezy
    then Chance
    Showers

    Low: 36 °F

  • Washington's
    Birthday

    Washington's Birthday: Showers and possibly a thunderstorm.  High near 55. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 90%.

    Showers

    High: 55 °F

  • Monday
    Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 43. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 90%.

    Showers

    Low: 43 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 52. Chance of precipitation is 90%.

    Showers

    High: 52 °F

  • Tuesday
    Night

    Tuesday Night: A chance of rain, freezing rain, and sleet before 4am, then a chance of sleet between 4am and 5am, then a chance of snow and sleet after 5am.  Cloudy, with a low around 24. Chance of precipitation is 50%.

    Chance Rain
    then Chance
    Wintry Mix

    Low: 24 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 32.

    Partly Sunny

    High: 32 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Partly Cloudy

    Low: 21 °F

Detailed Forecast

Overnight
Patchy freezing fog after 4am. Clear, with a low around 20. South southwest wind around 5 mph.
Sunday
Patchy dense freezing fog before 9am. Mostly sunny, with a high near 42. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 30 percent chance of showers after midnight. Increasing clouds, with a low around 36. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Washington's Birthday
Showers and possibly a thunderstorm. High near 55. South southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 43. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 52. Chance of precipitation is 90%.
Tuesday Night
A chance of rain, freezing rain, and sleet before 4am, then a chance of sleet between 4am and 5am, then a chance of snow and sleet after 5am. Cloudy, with a low around 24. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A chance of rain and snow. Cloudy, with a high near 40.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 42.
Click Map For Forecast
Point Forecast:
Grayslake IL
 42.35°N 88.02°W
2:23 am CST Feb 18, 2018
2am CST Feb 18, 2018-6pm CST Feb 24, 2018
 
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Additional Resources

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