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.

Light Rain

39°F

4°C

Humidity 96%
Wind Speed N 5 mph
Barometer 29.64 in (1004.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Mar 4:52 am CDT
Extended Forecast for

Deer Park IL

  • Overnight

    Overnight: Rain and possibly a thunderstorm. Patchy fog. Low around 35. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 2pm. Some thunder is also possible. Patchy fog before 7am. High near 38. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 27. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Gradual
    Clearing

  • Thursday

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

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. 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 40 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 47. Windy.

    High: 47 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Cloudy, with a high near 40.

    High: 40 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 32.

    Low: 32 °F

    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Patchy fog. Low around 35. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and snow, becoming all snow after 2pm. Some thunder is also possible. Patchy fog before 7am. High near 38. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 27. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely, mainly after 1am. 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 40 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 47. Windy.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A chance of snow after 1pm. Cloudy, with a high near 40.
Saturday Night
A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 32.
Sunday
Rain and snow, becoming all rain after 1pm. Cloudy, with a high near 44. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 16. Blustery.
Monday
Mostly cloudy, with a high near 27. Blustery.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 30.
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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:
4:11 am CDT Mar 11, 2026
Forecast Valid:
5am CDT Mar 11, 2026-6pm CDT Mar 17, 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