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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog/Mist

65°F

18°C

Humidity 90%
Wind Speed Calm
Barometer 30.06 in (1016.7 mb)
Dewpoint 62°F (17°C)
Visibility 5.00 mi
Last update 15 Jul 4:51 am CDT
Extended Forecast for

Round Lake ILSimilar City Names

  • Today

    Today: Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 97. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 65 °F

    T-storms
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Northwest wind around 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: 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

Today
Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 10 mph.
Tonight
Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 97. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Northwest wind around 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 62.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A chance of showers. Partly sunny, with a high near 81.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65.
Monday
A chance of showers. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake ILSimilar City Names
 42.35°N 88.11°W
Last Update:
4:11 am CDT Jul 15, 2025
Forecast Valid:
5am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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Additional Resources

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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