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.

Overcast

82°F

28°C

Humidity 85%
Wind Speed SW 5 mph
Barometer 29.93 in (1012.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 1 Sep 8:51 pm CDT
Extended Forecast for

2 Miles SE Zion IL

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Heat index values as high as 95. Southwest wind 10 to 15 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 85. South southwest wind around 5 mph becoming east southeast in the afternoon.

    High: 85 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East wind around 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers before 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. Southwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly sunny, with a high near 89. Heat index values as high as 95. Southwest wind 10 to 15 mph.
Wednesday Night
A 20 percent chance of showers after 4am. Partly cloudy, with a low around 72. South southwest wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 85. South southwest wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East wind around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A chance of showers before 1pm. Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 66.
Labor Day
Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Zion IL
 42.43°N 87.81°W
Last Update:
8:51 pm CDT Sep 1, 2026
Forecast Valid:
9pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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