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.

Fair

76°F

24°C

Humidity 62%
Wind Speed W 10 G 21 mph
Barometer 29.87 in (1010.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 11:51 am CDT
Extended Forecast for

2 Miles SSW Round Lake Park IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. West wind around 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 59. East southeast wind around 5 mph becoming west southwest after midnight.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 84. Breezy, with an east wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 84 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Breezy.

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. West wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 59. East southeast wind around 5 mph becoming west southwest after midnight.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 84. Breezy, with an east wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 66. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Breezy.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 69.
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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:
12:01 pm CDT May 16, 2026
Forecast Valid:
12pm CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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