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.

Fog/Mist

67°F

19°C

Humidity 91%
Wind Speed W 3 mph
Barometer 30.08 in (1017.3 mb)
Dewpoint 64°F (18°C)
Visibility 4.00 mi
Last update 15 Jul 2:51 am CDT
Extended Forecast for

Sunnyside IL

  • Overnight

    Overnight: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: 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

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. South southeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 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. West southwest wind around 5 mph, with gusts as high as 10 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.

    High: 73 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °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 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 65. Calm wind.
Tuesday
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.
Tuesday Night
Partly cloudy, with a low around 72. South southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 50 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. West southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 61.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81.
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 and thunderstorms. Mostly cloudy, with a low around 64.
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:
Sunnyside IL
 42.38°N 88.23°W
Last Update:
2:41 am CDT Jul 15, 2025
Forecast Valid:
3am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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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