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

82°F

28°C

Humidity 82%
Wind Speed SW 3 mph
Barometer 29.88 in (1010.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 2 Sep 7:51 pm CDT
Extended Forecast for

Park City IL

Heat Advisory September 2, 08:14pm until September 2, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 2, 08:14pm until September 2, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Tonight

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. East southeast wind around 5 mph.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 69. East northeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 74. South southwest wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. East southeast wind around 5 mph.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 69. East northeast wind around 5 mph. Chance of precipitation is 50%.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 67.
Wednesday
A chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Park City IL
 42.37°N 87.9°W
Last Update:
2:51 pm CDT Sep 2, 2026
Forecast Valid:
8pm CDT Sep 2, 2026-6pm CDT Sep 9, 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