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.

Mostly Cloudy

72°F

22°C

Humidity 76%
Wind Speed NE 6 mph
Barometer 30.02 in (1015.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 Aug 8:51 am CDT
Extended Forecast for

Park City IL

  • Today

    Today: Isolated showers before 3pm. Mostly sunny, with a high near 75. North wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 20%.

    High: 75 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southeast wind around 5 mph becoming west southwest after midnight.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 64. West southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. North northeast wind around 5 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers before 3pm. Mostly sunny, with a high near 75. North wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 64. Southeast 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 80. 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 slight chance of showers. Mostly cloudy, with a low around 64. West southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 73. North northeast wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 78.
Friday Night
A chance of showers after 1am. Partly cloudy, with a low around 62.
Saturday
A chance of showers. Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 74.
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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:
5:26 am CDT Aug 17, 2026
Forecast Valid:
8am CDT Aug 17, 2026-6pm CDT Aug 23, 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