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

35°F

2°C

Humidity 89%
Wind Speed SW 5 mph
Barometer 29.88 in (1012.7 mb)
Dewpoint 32°F (0°C)
Visibility 9.00 mi
Wind Chill31°F (-1°C)
Last update 20 Mar 1:51 am CDT
Extended Forecast for

Gurnee IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. Southwest wind 5 to 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 60. West southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 60 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. North northeast wind 5 to 10 mph becoming east after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Monday Night

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

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Southwest wind 5 to 10 mph.
Friday
Mostly cloudy, with a high near 60. West southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 37. North northeast wind 5 to 10 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 62. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 44. Southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
1:21 am CDT Mar 20, 2026
Forecast Valid:
2am CDT Mar 20, 2026-6pm CDT Mar 26, 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