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

72°F

22°C

Humidity 64%
Wind Speed SE 9 G 23 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 31 Jul 7:52 pm CDT
Extended Forecast for

Deer Park IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 65. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 69. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Cloudy, with a low around 65. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 72. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 65. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm. High near 69. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms. Cloudy, with a low around 65. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 72. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 59. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A chance of showers after 1pm. Mostly sunny, with a high near 80.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 62.
Thursday
Partly sunny, with a high near 78.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Deer Park IL
 42.18°N 88.09°W
Last Update:
3:16 pm CDT Jul 31, 2026
Forecast Valid:
8pm CDT Jul 31, 2026-6pm CDT Aug 7, 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