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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy

77°F

25°C

Humidity 85%
Wind Speed Calm
Barometer 30.00 in (1014.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Aug 3:51 pm CDT
Extended Forecast for

2 Miles SSW Round Lake Park IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 75. West wind around 10 mph.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 66. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 75. West wind around 10 mph.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 66. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 50%.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 82. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 64.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82.
Sunday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 81.
Monday Night
Showers likely. Mostly cloudy, with a low around 65.
Tuesday
A chance of showers. Partly sunny, with a high near 77.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Round Lake Park IL
 42.29°N 88.06°W
Last Update:
4:11 pm CDT Aug 5, 2026
Forecast Valid:
4pm CDT Aug 5, 2026-6pm CDT Aug 12, 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