Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy

47°F

8°C

Humidity 48%
Wind Speed W 16 G 33 mph
Barometer 29.91 in (1013.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 18 Apr 4:51 pm CDT
Extended Forecast for

Gurnee IL

Flood Warning until further notice
Freeze Watch April 20, 12:00am until April 20, 09:00am
Frost Advisory April 19, 12:00am until April 19, 09:00am
Click here for hazard details and duration
Flood Warning until further notice
Freeze Watch
Frost Advisory
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Tonight

    Low: 33 °F

    Mostly Clear
    and Breezy
    then Areas
    Frost

  • Sunday

    Sunday: A slight chance of snow showers before 8am, then a chance of rain showers.  Increasing clouds, with a high near 49. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 30%.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 1am.  Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 15 mph.

    Low: 30 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 9am.  Otherwise, sunny, with a high near 49. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 49 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Tonight
Areas of frost after 1am. Otherwise, mostly clear, with a low around 33. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 30 mph.
Sunday
A slight chance of snow showers before 8am, then a chance of rain showers. Increasing clouds, with a high near 49. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 49. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 40. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58.
Friday
A chance of showers. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
4:21 pm CDT Apr 18, 2026
5pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database