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

42°F

6°C

Humidity 55%
Wind Speed SW 9 mph
Barometer 30.29 in (1026.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 28 Mar 11:51 pm CDT
Extended Forecast for

Gurnee IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58. South wind 10 to 15 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. South southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58. South wind 10 to 15 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 41.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 50.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40.
Saturday
A chance of showers. Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gurnee IL
 42.37°N 87.93°W
Last Update:
12:21 am CDT Mar 29, 2026
Forecast Valid:
12am CDT Mar 29, 2026-6pm CDT Apr 4, 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