National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Mostly Cloudy

46°F

8°C

Humidity 42%
Wind Speed W 13 G 22 mph
Barometer 30.09 in (1019.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Apr 11:51 am CDT
Extended Forecast for

Gurnee IL

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

    NOW until further notice

    Flood Warning

  • This Afternoon

    High: 46 °F

    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Widespread frost after midnight. Otherwise, partly cloudy, with a low around 30. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 15 mph.

    Low: 30 °F

    Slight Chance
    Showers then
    Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 48. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 48 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a steady temperature around 46. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 10 percent chance of showers before 7pm. Widespread frost after midnight. Otherwise, partly cloudy, with a low around 30. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 15 mph.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 48. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 41. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 60.
Friday
Showers likely. Mostly cloudy, with a high near 71.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
10:31 am CDT Apr 19, 2026
Forecast Valid:
12pm CDT Apr 19, 2026-6pm CDT Apr 25, 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