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

42°F

6°C

Humidity 73%
Wind Speed Calm
Barometer 30.20 in (1022.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Jan 6:52 pm CST
Extended Forecast for

Deer Park IL

  • Tonight

    Tonight: Rain likely after 2am, mixing with snow after 4am. Mostly cloudy, with a low around 32. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Snow before noon, then a chance of snow showers after noon. High near 34. South southwest wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow then
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Scattered snow showers. Mostly cloudy, with a low around 20. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Scattered
    Snow Showers
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 32. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 32 °F

    Partly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow after midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain likely after 2am, mixing with snow after 4am. Mostly cloudy, with a low around 32. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Snow before noon, then a chance of snow showers after noon. High near 34. South southwest wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Scattered snow showers. Mostly cloudy, with a low around 20. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 32. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
A chance of rain. Mostly cloudy, with a high near 45.
Tuesday Night
A chance of rain and snow after midnight. Mostly cloudy, with a low around 28.
Wednesday
A chance of snow. Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
A chance of snow. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deer Park IL
 42.16°N 88.1°W
Last Update:
6:01 pm CST Jan 9, 2026
Forecast Valid:
7pm CST Jan 9, 2026-6pm CST Jan 16, 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