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

30°F

-1°C

Humidity 92%
Wind Speed W 6 mph
Barometer 29.91 in (1013.8 mb)
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Wind Chill24°F (-4°C)
Last update 15 Feb 3:51 am CST
Extended Forecast for

Gurnee IL

  • Today

    Today: Sunny, with a high near 54. West wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Light and variable wind becoming south southwest 5 to 10 mph after midnight.

    Low: 34 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, then gradually becoming sunny, with a high near 61. West southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 61 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 37. West southwest wind around 5 mph becoming east northeast after midnight.

    Low: 37 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49. East wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 62. Breezy.

    High: 62 °F

    Breezy.
    Chance Rain
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 54. West wind 5 to 10 mph becoming north northwest in the afternoon.
Tonight
Increasing clouds, with a low around 34. Light and variable wind becoming south southwest 5 to 10 mph after midnight.
Washington's Birthday
Mostly cloudy, then gradually becoming sunny, with a high near 61. West southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Monday Night
Increasing clouds, with a low around 37. West southwest wind around 5 mph becoming east northeast after midnight.
Tuesday
Mostly cloudy, with a high near 49. East wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 62. Breezy.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 38.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
2:11 am CST Feb 15, 2026
Forecast Valid:
4am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation