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.

Overcast

37°F

3°C

Humidity 73%
Wind Speed NW 13 G 24 mph
Barometer 30.10 in (1019.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Mar 7:52 pm CDT
Extended Forecast for

Deer Park IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 46. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 37. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 46. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 46 °F

    Partly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow showers before 1am, then rain and snow showers likely. Cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow showers, becoming all rain after 1pm. Cloudy, with a high near 45. Breezy.

    High: 45 °F

    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Rain/Snow
    Likely and
    Blustery

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 46. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely. Cloudy, with a low around 37. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 46. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 27. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly cloudy, with a high near 41.
Saturday Night
A chance of snow showers before 1am, then rain and snow showers likely. Cloudy, with a low around 32. Chance of precipitation is 70%.
Sunday
Rain and snow showers, becoming all rain after 1pm. Cloudy, with a high near 45. Breezy.
Sunday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 17. Blustery.
Monday
Mostly cloudy, with a high near 25. Blustery.
Monday Night
Mostly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly cloudy, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Deer Park IL
 42.16°N 88.1°W
Last Update:
5:06 pm CDT Mar 11, 2026
Forecast Valid:
8pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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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