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.

Mostly Cloudy and Breezy

35°F

2°C

Humidity 46%
Wind Speed SW 24 G 33 mph
Barometer 29.53 in (1000.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 24 Feb 2:52 pm CST
Extended Forecast for

Deer Park IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 5pm. Cloudy, with a high near 39. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 39 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 22. Southwest wind 10 to 15 mph becoming west northwest after midnight.

    Low: 22 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. West northwest wind around 5 mph becoming calm after midnight.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Southwest wind 5 to 10 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Breezy.

    High: 57 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow after noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 5pm. Cloudy, with a high near 39. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 22. Southwest wind 10 to 15 mph becoming west northwest after midnight.
Wednesday
Sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 19. West northwest wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 40. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 57. Breezy.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A chance of snow after noon. Mostly cloudy, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 32.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deer Park IL
 42.16°N 88.1°W
Last Update:
1:16 pm CST Feb 24, 2026
Forecast Valid:
3pm CST Feb 24, 2026-6pm CST Mar 2, 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