National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

60°F

16°C

Humidity 80%
Wind Speed SW 13 mph
Barometer 29.66 in (1003.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Nov 12:51 am CST
Extended Forecast for

Sunnyside IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 59. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 47. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. West northwest wind 5 to 10 mph becoming light northwest after midnight.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 59. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 47. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 26. West northwest wind 5 to 10 mph becoming light northwest after midnight.
Monday
Mostly sunny, with a high near 46.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 34. Chance of precipitation is 60%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Thursday
Rain likely. Mostly cloudy, with a high near 51.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Mostly cloudy, with a high near 52.
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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:
1:00 am CST Nov 15, 2025
Forecast Valid:
1am CST Nov 15, 2025-6pm CST Nov 21, 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