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.

Fair and Breezy

63°F

17°C

Humidity 50%
Wind Speed W 23 G 31 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 16 Feb 12:51 pm CST
Extended Forecast for

Gurnee IL

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 64. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear during the early evening, then becoming mostly cloudy, with a low around 38. Southwest wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 47. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain and possibly a thunderstorm after 9pm. Low around 46. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 62. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain

  • Friday

    Friday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Washington's Birthday
Sunny, with a high near 64. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Patchy fog after midnight. Otherwise, mostly clear during the early evening, then becoming mostly cloudy, with a low around 38. Southwest wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.
Tuesday
A 20 percent chance of rain after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 47. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of rain, then rain and possibly a thunderstorm after 9pm. Low around 46. Southeast wind around 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Sunny, with a high near 62. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain after noon. Partly sunny, with a high near 48.
Thursday Night
Rain. Mostly cloudy, with a low around 35.
Friday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
1:21 pm CST Feb 16, 2026
Forecast Valid:
1pm CST Feb 16, 2026-6pm CST Feb 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation