National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

33°F

1°C

Humidity 70%
Wind Speed SE 5 mph
Barometer 29.97 in (1016.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 6 Dec 7:53 pm CST
Extended Forecast for

Westchester IL

Winter Weather Advisory December 7, 12:00am until December 7, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after 10pm. The snow could be heavy at times. Low around 26. South southeast wind 5 to 10 mph becoming north northeast after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: Snow likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 28 by 9am, then falling to around 19 during the remainder of the day. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 28 °F⇓

    Snow Likely
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 14. North wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 15 mph.

    Low: 14 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 23. South wind 5 to 10 mph.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 15. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly after 10pm. The snow could be heavy at times. Low around 26. South southeast wind 5 to 10 mph becoming north northeast after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 28 by 9am, then falling to around 19 during the remainder of the day. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14. North wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 23. South wind 5 to 10 mph.
Monday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 15. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 38.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 80%.
Wednesday
A chance of rain and snow before noon. Mostly cloudy, with a high near 37.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 19.
Thursday
A chance of snow. Mostly cloudy, with a high near 27.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 19.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
Partly sunny, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
3:11 pm CST Dec 6, 2025
Forecast Valid:
7pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation