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

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

77°F

25°C

Humidity 71%
Wind Speed NA
Barometer 30.08 in (1018.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 4:52 pm CDT
Extended Forecast for

Deer Park IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Northeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 87. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 66. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. Northeast wind 5 to 10 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 87. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Monday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 66. North wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deer Park IL
 42.16°N 88.1°W
Last Update:
4:12 pm CDT Aug 17, 2025
Forecast Valid:
5pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
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