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

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

36°F

2°C

Humidity 76%
Wind Speed NE 6 mph
Barometer 30.32 in (1027.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 24 Dec 2:53 am CST
Extended Forecast for

Westmont IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Drizzle, mainly after 5pm. Mostly cloudy, with a high near 45. East wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 45 °F

    Mostly Cloudy
    then Drizzle

  • Wednesday Night

    Wednesday Night: Drizzle, mainly before 10pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 38. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 38 °F

    Drizzle and
    Patchy Fog
    then Areas
    Drizzle and
    Patchy Fog

  • Christmas Day

    Christmas Day: Cloudy, with a high near 42. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 42 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain likely after midnight. Cloudy, with a low around 38. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 38 °F

    Cloudy then
    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain before noon. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 38.

    Low: 38 °F

    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. Northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Drizzle, mainly after 5pm. Mostly cloudy, with a high near 45. East wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Drizzle, mainly before 10pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 38. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Christmas Day
Cloudy, with a high near 42. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Rain likely after midnight. Cloudy, with a low around 38. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain before noon. Mostly cloudy, with a high near 47.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 48.
Saturday Night
Cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 42. Breezy.
Sunday Night
Partly cloudy, with a low around 12. Blustery.
Monday
Sunny, with a high near 20. Blustery.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
2:06 am CST Dec 24, 2025
Forecast Valid:
3am CST Dec 24, 2025-6pm CST Dec 30, 2025
 
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