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.

Partly Cloudy

35°F

2°C

Humidity 57%
Wind Speed SW 14 mph
Barometer 30.14 in (1022.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 12 Jan 10:53 am CST
Extended Forecast for

Westmont IL

  • Today

    Today: Sunny, with a high near 44. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of sprinkles after noon. Mostly cloudy, with a high near 49. West southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Slight Chance
    Sprinkles

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 35. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    High: 35 °F

    Snow Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Chance Snow
    Showers and
    Blustery

  • Thursday

    Thursday: A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: Scattered snow showers. Cloudy, with a high near 33.

    High: 33 °F

    Scattered
    Snow Showers

Detailed Forecast

Today
Sunny, with a high near 44. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 34. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of sprinkles after noon. Mostly cloudy, with a high near 49. West southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 35. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 16. Blustery.
Thursday
A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 26.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
Scattered snow showers. Cloudy, with a high near 33.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
11:06 am CST Jan 12, 2026
Forecast Valid:
11am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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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