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.

Light Snow Fog/Mist

29°F

-2°C

Humidity 89%
Wind Speed W 8 mph
Barometer 30.05 in (1019.1 mb)
Dewpoint 26°F (-3°C)
Visibility 4.00 mi
Wind Chill21°F (-6°C)
Last update 3 Dec 4:53 pm CST
Extended Forecast for

Westchester IL

  • This Afternoon

    This Afternoon: Snow likely, possibly mixed with freezing rain. Cloudy, with a high near 31. West wind around 10 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Total daytime snow accumulation of less than a half inch possible.

    High: 31 °F

    Wintry Mix
    Likely

  • Tonight

    Tonight: A chance of snow before 8pm, then a chance of flurries between 8pm and midnight. Mostly cloudy during the early evening, then gradual clearing, with a low around 5. Wind chill values as low as -7. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 5 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 16. Wind chill values as low as -8. North northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 16 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 1. Wind chill values as low as -6. Light southwest wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 1 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 26. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow after midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow likely, possibly mixed with freezing rain. Cloudy, with a high near 31. West wind around 10 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 8pm, then a chance of flurries between 8pm and midnight. Mostly cloudy during the early evening, then gradual clearing, with a low around 5. Wind chill values as low as -7. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 16. Wind chill values as low as -8. North northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 1. Wind chill values as low as -6. Light southwest wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Friday
Partly sunny, with a high near 26. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 30.
Saturday Night
A chance of snow after midnight. Mostly cloudy, with a low around 17.
Sunday
Mostly cloudy, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 24.
Monday Night
A chance of snow. Mostly cloudy, with a low around 16.
Tuesday
A chance of snow. Mostly cloudy, with a high near 33.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
3:36 pm CST Dec 3, 2025
Forecast Valid:
5pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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