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

56°F

13°C

Humidity 29%
Wind Speed W 12 mph
Barometer 29.77 in (1008.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 5 May 4:51 pm CDT
Extended Forecast for

Gurnee IL

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 15 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. West northwest wind 5 to 10 mph becoming light in the evening.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 60. West wind 5 to 15 mph.

    High: 60 °F

    Patchy Frost
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 15 mph.
Wednesday
Partly sunny, with a high near 56. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. West northwest wind 5 to 10 mph becoming light in the evening.
Thursday
A 20 percent chance of showers after 1pm. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 60. West wind 5 to 15 mph.
Thursday Night
Partly cloudy, with a low around 45. South southwest wind around 5 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 63.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 72.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
5:30 pm CDT May 5, 2026
Forecast Valid:
5pm CDT May 5, 2026-6pm CDT May 12, 2026
 
Forecast Discussion
 
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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