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

63°F

17°C

Humidity 84%
Wind Speed W 3 mph
Barometer 30.04 in (1016.2 mb)
Dewpoint 58°F (14°C)
Visibility 7.00 mi
Last update 14 Jul 4:51 am CDT
Extended Forecast for

Round Lake Park IL

  • Today

    Today: Widespread haze before 7am. Sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the morning.

    High: 86 °F

    Haze then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. South southwest wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

Today
Widespread haze before 7am. Sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the morning.
Tonight
Mostly clear, with a low around 66. South southwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 89. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming south southwest after midnight.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.
Friday
Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 62.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Park IL
 42.33°N 88.05°W
Last Update:
4:11 am CDT Jul 14, 2025
Forecast Valid:
4am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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