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.

Fair

73°F

23°C

Humidity 96%
Wind Speed E 6 mph
Barometer 29.95 in (1013.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 3 Sep 9:51 pm CDT
Extended Forecast for

Park City IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 87. North northeast wind 5 to 10 mph becoming south in the morning.

    High: 87 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. East wind around 5 mph becoming north after midnight.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Northeast wind 5 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 87. North northeast wind 5 to 10 mph becoming south in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. East wind around 5 mph becoming north after midnight.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 65. Northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 63.
Labor Day
Mostly sunny, with a high near 79.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 67.
Thursday
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Park City IL
 42.35°N 87.88°W
Last Update:
9:21 pm CDT Sep 3, 2026
Forecast Valid:
10pm CDT Sep 3, 2026-6pm CDT Sep 10, 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