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.

A Few Clouds

50°F

10°C

Humidity 57%
Wind Speed SE 3 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 13 May 7:52 pm CDT
Extended Forecast for

Deer Park IL

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 48. East southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 72 °F

    Slight Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    T-storms
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    T-storms

  • Sunday Night

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

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 48. East southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Breezy.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 69.
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:
5:11 pm CDT May 13, 2026
Forecast Valid:
8pm CDT May 13, 2026-6pm CDT May 20, 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