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.

Partly Cloudy

83°F

28°C

Humidity 74%
Wind Speed W 9 G 20 mph
Barometer 29.93 in (1012.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 16 Aug 2:51 pm CDT
Extended Forecast for

Park City IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 85. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 77. North northeast wind around 5 mph.

    High: 77 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. South wind around 5 mph becoming west southwest after midnight.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 85. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 65. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Increasing clouds, with a high near 77. North northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 63. South wind around 5 mph becoming west southwest after midnight.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 78.
Friday Night
A chance of showers. Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Park City IL
 42.35°N 87.88°W
Last Update:
2:51 pm CDT Aug 16, 2026
Forecast Valid:
3pm CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
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