National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

75°F

24°C

Humidity 55%
Wind Speed Calm
Barometer 30.07 in (1018.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 24 Aug 3:52 pm CDT
Extended Forecast for

Deer Park IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. South southwest wind 5 to 10 mph.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

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

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 65. South southwest wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 83. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 63. West wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 67.
Sunday
A chance of showers. Partly sunny, with a high near 84.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 70.
Monday
Partly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deer Park IL
 42.16°N 88.1°W
Last Update:
2:51 pm CDT Aug 24, 2026
Forecast Valid:
4pm CDT Aug 24, 2026-6pm CDT Aug 31, 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